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Finding the Fourth Proportional to 6,307.62, 8,708.14 and 4,370.90

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Solution

The fourth proportional to 6,307.62, 8,708.14 and 4,370.90 is: 6,034.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.62 : 8,708.14 = 4,370.90 : x
  2. Step 2: Convert to fraction form
    6,307.62/8,708.14 = 4,370.90/x
  3. Step 3: Cross multiply
    6,307.62x = 8,708.14 × 4,370.90
  4. Step 4: Simplify right side
    6,307.62x = 38,062,409.13
  5. Step 5: Solve for x
    x = 38,062,409.13/6,307.62
  6. Step 6: Final answer
    x = 6,034.35

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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.