Home / 6,191.84-8,544.40-3,397.12

Finding the Fourth Proportional to 6,191.84, 8,544.40 and 3,397.12

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Solution

The fourth proportional to 6,191.84, 8,544.40 and 3,397.12 is: 4,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,191.84 : 8,544.40 = 3,397.12 : x
  2. Step 2: Convert to fraction form
    6,191.84/8,544.40 = 3,397.12/x
  3. Step 3: Cross multiply
    6,191.84x = 8,544.40 × 3,397.12
  4. Step 4: Simplify right side
    6,191.84x = 29,026,352.13
  5. Step 5: Solve for x
    x = 29,026,352.13/6,191.84
  6. Step 6: Final answer
    x = 4,687.84

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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.