Home / 4,174.40-6,261.68-1,865.44

Finding the Fourth Proportional to 4,174.40, 6,261.68 and 1,865.44

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Solution

The fourth proportional to 4,174.40, 6,261.68 and 1,865.44 is: 2,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,174.40 : 6,261.68 = 1,865.44 : x
  2. Step 2: Convert to fraction form
    4,174.40/6,261.68 = 1,865.44/x
  3. Step 3: Cross multiply
    4,174.40x = 6,261.68 × 1,865.44
  4. Step 4: Simplify right side
    4,174.40x = 11,680,788.34
  5. Step 5: Solve for x
    x = 11,680,788.34/4,174.40
  6. Step 6: Final answer
    x = 2,798.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.