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Finding the Fourth Proportional to 5,738.49, 8,607.13 and 2,807.91

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Solution

The fourth proportional to 5,738.49, 8,607.13 and 2,807.91 is: 4,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.49 : 8,607.13 = 2,807.91 : x
  2. Step 2: Convert to fraction form
    5,738.49/8,607.13 = 2,807.91/x
  3. Step 3: Cross multiply
    5,738.49x = 8,607.13 × 2,807.91
  4. Step 4: Simplify right side
    5,738.49x = 24,168,039.38
  5. Step 5: Solve for x
    x = 24,168,039.38/5,738.49
  6. Step 6: Final answer
    x = 4,211.57

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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.