Home / 5,166.72-7,132.40-3,304.80

Finding the Fourth Proportional to 5,166.72, 7,132.40 and 3,304.80

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Solution

The fourth proportional to 5,166.72, 7,132.40 and 3,304.80 is: 4,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.72 : 7,132.40 = 3,304.80 : x
  2. Step 2: Convert to fraction form
    5,166.72/7,132.40 = 3,304.80/x
  3. Step 3: Cross multiply
    5,166.72x = 7,132.40 × 3,304.80
  4. Step 4: Simplify right side
    5,166.72x = 23,571,155.52
  5. Step 5: Solve for x
    x = 23,571,155.52/5,166.72
  6. Step 6: Final answer
    x = 4,562.11

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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.