Home / 5,269.10-7,902.90-1,571.18

Finding the Fourth Proportional to 5,269.10, 7,902.90 and 1,571.18

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Solution

The fourth proportional to 5,269.10, 7,902.90 and 1,571.18 is: 2,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.10 : 7,902.90 = 1,571.18 : x
  2. Step 2: Convert to fraction form
    5,269.10/7,902.90 = 1,571.18/x
  3. Step 3: Cross multiply
    5,269.10x = 7,902.90 × 1,571.18
  4. Step 4: Simplify right side
    5,269.10x = 12,416,878.42
  5. Step 5: Solve for x
    x = 12,416,878.42/5,269.10
  6. Step 6: Final answer
    x = 2,356.55

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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.