Home / 5,666.74-8,442.65-5,387.92

Finding the Fourth Proportional to 5,666.74, 8,442.65 and 5,387.92

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Solution

The fourth proportional to 5,666.74, 8,442.65 and 5,387.92 is: 8,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.74 : 8,442.65 = 5,387.92 : x
  2. Step 2: Convert to fraction form
    5,666.74/8,442.65 = 5,387.92/x
  3. Step 3: Cross multiply
    5,666.74x = 8,442.65 × 5,387.92
  4. Step 4: Simplify right side
    5,666.74x = 45,488,322.79
  5. Step 5: Solve for x
    x = 45,488,322.79/5,666.74
  6. Step 6: Final answer
    x = 8,027.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.