Home / 5,854.58-8,781.21-1,472.02

Finding the Fourth Proportional to 5,854.58, 8,781.21 and 1,472.02

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Solution

The fourth proportional to 5,854.58, 8,781.21 and 1,472.02 is: 2,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.58 : 8,781.21 = 1,472.02 : x
  2. Step 2: Convert to fraction form
    5,854.58/8,781.21 = 1,472.02/x
  3. Step 3: Cross multiply
    5,854.58x = 8,781.21 × 1,472.02
  4. Step 4: Simplify right side
    5,854.58x = 12,926,144.19
  5. Step 5: Solve for x
    x = 12,926,144.19/5,854.58
  6. Step 6: Final answer
    x = 2,207.87

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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.