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Finding the Fourth Proportional to 6,314.51, 8,710.45 and 3,952.55

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Solution

The fourth proportional to 6,314.51, 8,710.45 and 3,952.55 is: 5,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,314.51 : 8,710.45 = 3,952.55 : x
  2. Step 2: Convert to fraction form
    6,314.51/8,710.45 = 3,952.55/x
  3. Step 3: Cross multiply
    6,314.51x = 8,710.45 × 3,952.55
  4. Step 4: Simplify right side
    6,314.51x = 34,428,425.83
  5. Step 5: Solve for x
    x = 34,428,425.83/6,314.51
  6. Step 6: Final answer
    x = 5,452.28

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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.