Home / 5,331.52-7,358.01-3,984.79

Finding the Fourth Proportional to 5,331.52, 7,358.01 and 3,984.79

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Solution

The fourth proportional to 5,331.52, 7,358.01 and 3,984.79 is: 5,499.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.52 : 7,358.01 = 3,984.79 : x
  2. Step 2: Convert to fraction form
    5,331.52/7,358.01 = 3,984.79/x
  3. Step 3: Cross multiply
    5,331.52x = 7,358.01 × 3,984.79
  4. Step 4: Simplify right side
    5,331.52x = 29,320,124.67
  5. Step 5: Solve for x
    x = 29,320,124.67/5,331.52
  6. Step 6: Final answer
    x = 5,499.39

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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.