Home / 5,239.71-7,232.33-3,116.75

Finding the Fourth Proportional to 5,239.71, 7,232.33 and 3,116.75

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Solution

The fourth proportional to 5,239.71, 7,232.33 and 3,116.75 is: 4,302.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.71 : 7,232.33 = 3,116.75 : x
  2. Step 2: Convert to fraction form
    5,239.71/7,232.33 = 3,116.75/x
  3. Step 3: Cross multiply
    5,239.71x = 7,232.33 × 3,116.75
  4. Step 4: Simplify right side
    5,239.71x = 22,541,336.16
  5. Step 5: Solve for x
    x = 22,541,336.16/5,239.71
  6. Step 6: Final answer
    x = 4,302.02

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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.