Home / 4,025.40-5,555.04-2,257.02

Finding the Fourth Proportional to 4,025.40, 5,555.04 and 2,257.02

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Solution

The fourth proportional to 4,025.40, 5,555.04 and 2,257.02 is: 3,114.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,025.40 : 5,555.04 = 2,257.02 : x
  2. Step 2: Convert to fraction form
    4,025.40/5,555.04 = 2,257.02/x
  3. Step 3: Cross multiply
    4,025.40x = 5,555.04 × 2,257.02
  4. Step 4: Simplify right side
    4,025.40x = 12,537,836.38
  5. Step 5: Solve for x
    x = 12,537,836.38/4,025.40
  6. Step 6: Final answer
    x = 3,114.68

Related Problems

Find fourth proportional to 2,012.70, 2,777.52 and 1,128.51
Half scale
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Double scale
Find fourth proportional to 4,026.40, 5,556.42 and 2,258.02
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.