Home / 4,305.12-6,456.48-1,531.44

Finding the Fourth Proportional to 4,305.12, 6,456.48 and 1,531.44

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Solution

The fourth proportional to 4,305.12, 6,456.48 and 1,531.44 is: 2,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.12 : 6,456.48 = 1,531.44 : x
  2. Step 2: Convert to fraction form
    4,305.12/6,456.48 = 1,531.44/x
  3. Step 3: Cross multiply
    4,305.12x = 6,456.48 × 1,531.44
  4. Step 4: Simplify right side
    4,305.12x = 9,887,711.73
  5. Step 5: Solve for x
    x = 9,887,711.73/4,305.12
  6. Step 6: Final answer
    x = 2,296.73

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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.