Home / 4,071.22-5,618.25-2,302.81

Finding the Fourth Proportional to 4,071.22, 5,618.25 and 2,302.81

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Solution

The fourth proportional to 4,071.22, 5,618.25 and 2,302.81 is: 3,177.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.22 : 5,618.25 = 2,302.81 : x
  2. Step 2: Convert to fraction form
    4,071.22/5,618.25 = 2,302.81/x
  3. Step 3: Cross multiply
    4,071.22x = 5,618.25 × 2,302.81
  4. Step 4: Simplify right side
    4,071.22x = 12,937,762.28
  5. Step 5: Solve for x
    x = 12,937,762.28/4,071.22
  6. Step 6: Final answer
    x = 3,177.86

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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.