Home / 5,646.60-8,472.24-2,186.28

Finding the Fourth Proportional to 5,646.60, 8,472.24 and 2,186.28

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Solution

The fourth proportional to 5,646.60, 8,472.24 and 2,186.28 is: 3,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.60 : 8,472.24 = 2,186.28 : x
  2. Step 2: Convert to fraction form
    5,646.60/8,472.24 = 2,186.28/x
  3. Step 3: Cross multiply
    5,646.60x = 8,472.24 × 2,186.28
  4. Step 4: Simplify right side
    5,646.60x = 18,522,688.87
  5. Step 5: Solve for x
    x = 18,522,688.87/5,646.60
  6. Step 6: Final answer
    x = 3,280.33

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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.