Home / 5,577.50-8,366.52-2,115.02

Finding the Fourth Proportional to 5,577.50, 8,366.52 and 2,115.02

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Solution

The fourth proportional to 5,577.50, 8,366.52 and 2,115.02 is: 3,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.50 : 8,366.52 = 2,115.02 : x
  2. Step 2: Convert to fraction form
    5,577.50/8,366.52 = 2,115.02/x
  3. Step 3: Cross multiply
    5,577.50x = 8,366.52 × 2,115.02
  4. Step 4: Simplify right side
    5,577.50x = 17,695,357.13
  5. Step 5: Solve for x
    x = 17,695,357.13/5,577.50
  6. Step 6: Final answer
    x = 3,172.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.