Home / 5,169.16-7,748.88-2,569.24

Finding the Fourth Proportional to 5,169.16, 7,748.88 and 2,569.24

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Solution

The fourth proportional to 5,169.16, 7,748.88 and 2,569.24 is: 3,851.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.16 : 7,748.88 = 2,569.24 : x
  2. Step 2: Convert to fraction form
    5,169.16/7,748.88 = 2,569.24/x
  3. Step 3: Cross multiply
    5,169.16x = 7,748.88 × 2,569.24
  4. Step 4: Simplify right side
    5,169.16x = 19,908,732.45
  5. Step 5: Solve for x
    x = 19,908,732.45/5,169.16
  6. Step 6: Final answer
    x = 3,851.44

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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.