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Finding the Fourth Proportional to 6,197.28, 8,552.16 and 3,840

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Solution

The fourth proportional to 6,197.28, 8,552.16 and 3,840 is: 5,299.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,197.28 : 8,552.16 = 3,840 : x
  2. Step 2: Convert to fraction form
    6,197.28/8,552.16 = 3,840/x
  3. Step 3: Cross multiply
    6,197.28x = 8,552.16 × 3,840
  4. Step 4: Simplify right side
    6,197.28x = 32,840,294.40
  5. Step 5: Solve for x
    x = 32,840,294.40/6,197.28
  6. Step 6: Final answer
    x = 5,299.15

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Double scale
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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.