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Finding the Fourth Proportional to 3,874.77, 5,810.09 and 1,534.68

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Solution

The fourth proportional to 3,874.77, 5,810.09 and 1,534.68 is: 2,301.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.77 : 5,810.09 = 1,534.68 : x
  2. Step 2: Convert to fraction form
    3,874.77/5,810.09 = 1,534.68/x
  3. Step 3: Cross multiply
    3,874.77x = 5,810.09 × 1,534.68
  4. Step 4: Simplify right side
    3,874.77x = 8,916,632.76
  5. Step 5: Solve for x
    x = 8,916,632.76/3,874.77
  6. Step 6: Final answer
    x = 2,301.20

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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.