Home / 5,399.16-8,100.10-1,503.56

Finding the Fourth Proportional to 5,399.16, 8,100.10 and 1,503.56

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Solution

The fourth proportional to 5,399.16, 8,100.10 and 1,503.56 is: 2,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.16 : 8,100.10 = 1,503.56 : x
  2. Step 2: Convert to fraction form
    5,399.16/8,100.10 = 1,503.56/x
  3. Step 3: Cross multiply
    5,399.16x = 8,100.10 × 1,503.56
  4. Step 4: Simplify right side
    5,399.16x = 12,179,008.49
  5. Step 5: Solve for x
    x = 12,179,008.49/5,399.16
  6. Step 6: Final answer
    x = 2,255.72

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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.