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Finding the Fourth Proportional to 5,373.84, 8,061.79 and 1,863.71

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Solution

The fourth proportional to 5,373.84, 8,061.79 and 1,863.71 is: 2,795.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.84 : 8,061.79 = 1,863.71 : x
  2. Step 2: Convert to fraction form
    5,373.84/8,061.79 = 1,863.71/x
  3. Step 3: Cross multiply
    5,373.84x = 8,061.79 × 1,863.71
  4. Step 4: Simplify right side
    5,373.84x = 15,024,838.64
  5. Step 5: Solve for x
    x = 15,024,838.64/5,373.84
  6. Step 6: Final answer
    x = 2,795.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.