Home / 5,543.92-7,651.68-3,187.60

Finding the Fourth Proportional to 5,543.92, 7,651.68 and 3,187.60

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Solution

The fourth proportional to 5,543.92, 7,651.68 and 3,187.60 is: 4,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.92 : 7,651.68 = 3,187.60 : x
  2. Step 2: Convert to fraction form
    5,543.92/7,651.68 = 3,187.60/x
  3. Step 3: Cross multiply
    5,543.92x = 7,651.68 × 3,187.60
  4. Step 4: Simplify right side
    5,543.92x = 24,390,495.17
  5. Step 5: Solve for x
    x = 24,390,495.17/5,543.92
  6. Step 6: Final answer
    x = 4,399.50

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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.