Home / 5,239.56-7,232.14-3,116.60

Finding the Fourth Proportional to 5,239.56, 7,232.14 and 3,116.60

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Solution

The fourth proportional to 5,239.56, 7,232.14 and 3,116.60 is: 4,301.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.56 : 7,232.14 = 3,116.60 : x
  2. Step 2: Convert to fraction form
    5,239.56/7,232.14 = 3,116.60/x
  3. Step 3: Cross multiply
    5,239.56x = 7,232.14 × 3,116.60
  4. Step 4: Simplify right side
    5,239.56x = 22,539,682.38
  5. Step 5: Solve for x
    x = 22,539,682.38/5,239.56
  6. Step 6: Final answer
    x = 4,301.82

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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.