Home / 6,191.58-8,543.88-3,397.08

Finding the Fourth Proportional to 6,191.58, 8,543.88 and 3,397.08

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Solution

The fourth proportional to 6,191.58, 8,543.88 and 3,397.08 is: 4,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.58 : 8,543.88 = 3,397.08 : x
  2. Step 2: Convert to fraction form
    6,191.58/8,543.88 = 3,397.08/x
  3. Step 3: Cross multiply
    6,191.58x = 8,543.88 × 3,397.08
  4. Step 4: Simplify right side
    6,191.58x = 29,024,243.87
  5. Step 5: Solve for x
    x = 29,024,243.87/6,191.58
  6. Step 6: Final answer
    x = 4,687.70

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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.