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Finding the Fourth Proportional to 5,867.74, 8,097.52 and 3,215.16

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Solution

The fourth proportional to 5,867.74, 8,097.52 and 3,215.16 is: 4,436.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,867.74 : 8,097.52 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    5,867.74/8,097.52 = 3,215.16/x
  3. Step 3: Cross multiply
    5,867.74x = 8,097.52 × 3,215.16
  4. Step 4: Simplify right side
    5,867.74x = 26,034,822.40
  5. Step 5: Solve for x
    x = 26,034,822.40/5,867.74
  6. Step 6: Final answer
    x = 4,436.94

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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.