Home / 5,331.75-7,358.34-3,985.02

Finding the Fourth Proportional to 5,331.75, 7,358.34 and 3,985.02

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Solution

The fourth proportional to 5,331.75, 7,358.34 and 3,985.02 is: 5,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.75 : 7,358.34 = 3,985.02 : x
  2. Step 2: Convert to fraction form
    5,331.75/7,358.34 = 3,985.02/x
  3. Step 3: Cross multiply
    5,331.75x = 7,358.34 × 3,985.02
  4. Step 4: Simplify right side
    5,331.75x = 29,323,132.07
  5. Step 5: Solve for x
    x = 29,323,132.07/5,331.75
  6. Step 6: Final answer
    x = 5,499.72

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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.