Home / 5,440.01-8,158.80-2,663.90

Finding the Fourth Proportional to 5,440.01, 8,158.80 and 2,663.90

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Solution

The fourth proportional to 5,440.01, 8,158.80 and 2,663.90 is: 3,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.01 : 8,158.80 = 2,663.90 : x
  2. Step 2: Convert to fraction form
    5,440.01/8,158.80 = 2,663.90/x
  3. Step 3: Cross multiply
    5,440.01x = 8,158.80 × 2,663.90
  4. Step 4: Simplify right side
    5,440.01x = 21,734,227.32
  5. Step 5: Solve for x
    x = 21,734,227.32/5,440.01
  6. Step 6: Final answer
    x = 3,995.26

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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.