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Finding the Fourth Proportional to 5,810.76, 8,018.84 and 3,158.17

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Solution

The fourth proportional to 5,810.76, 8,018.84 and 3,158.17 is: 4,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.76 : 8,018.84 = 3,158.17 : x
  2. Step 2: Convert to fraction form
    5,810.76/8,018.84 = 3,158.17/x
  3. Step 3: Cross multiply
    5,810.76x = 8,018.84 × 3,158.17
  4. Step 4: Simplify right side
    5,810.76x = 25,324,859.92
  5. Step 5: Solve for x
    x = 25,324,859.92/5,810.76
  6. Step 6: Final answer
    x = 4,358.27

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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.