Home / 3,590.43-4,951.82-2,531.72

Finding the Fourth Proportional to 3,590.43, 4,951.82 and 2,531.72

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Solution

The fourth proportional to 3,590.43, 4,951.82 and 2,531.72 is: 3,491.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.43 : 4,951.82 = 2,531.72 : x
  2. Step 2: Convert to fraction form
    3,590.43/4,951.82 = 2,531.72/x
  3. Step 3: Cross multiply
    3,590.43x = 4,951.82 × 2,531.72
  4. Step 4: Simplify right side
    3,590.43x = 12,536,621.73
  5. Step 5: Solve for x
    x = 12,536,621.73/3,590.43
  6. Step 6: Final answer
    x = 3,491.68

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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.