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Finding the Fourth Proportional to 5,588.71, 8,384.10 and 1,840.70

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Solution

The fourth proportional to 5,588.71, 8,384.10 and 1,840.70 is: 2,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,588.71 : 8,384.10 = 1,840.70 : x
  2. Step 2: Convert to fraction form
    5,588.71/8,384.10 = 1,840.70/x
  3. Step 3: Cross multiply
    5,588.71x = 8,384.10 × 1,840.70
  4. Step 4: Simplify right side
    5,588.71x = 15,432,609.29
  5. Step 5: Solve for x
    x = 15,432,609.29/5,588.71
  6. Step 6: Final answer
    x = 2,761.39

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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.