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Finding the Fourth Proportional to 5,810.68, 8,018.90 and 3,158.27

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Solution

The fourth proportional to 5,810.68, 8,018.90 and 3,158.27 is: 4,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.68 : 8,018.90 = 3,158.27 : x
  2. Step 2: Convert to fraction form
    5,810.68/8,018.90 = 3,158.27/x
  3. Step 3: Cross multiply
    5,810.68x = 8,018.90 × 3,158.27
  4. Step 4: Simplify right side
    5,810.68x = 25,325,851.30
  5. Step 5: Solve for x
    x = 25,325,851.30/5,810.68
  6. Step 6: Final answer
    x = 4,358.50

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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.