Home / 6,191.52-8,543.79-3,397.02

Finding the Fourth Proportional to 6,191.52, 8,543.79 and 3,397.02

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Solution

The fourth proportional to 6,191.52, 8,543.79 and 3,397.02 is: 4,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.52 : 8,543.79 = 3,397.02 : x
  2. Step 2: Convert to fraction form
    6,191.52/8,543.79 = 3,397.02/x
  3. Step 3: Cross multiply
    6,191.52x = 8,543.79 × 3,397.02
  4. Step 4: Simplify right side
    6,191.52x = 29,023,425.51
  5. Step 5: Solve for x
    x = 29,023,425.51/6,191.52
  6. Step 6: Final answer
    x = 4,687.61

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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.