Home / 7,569.60-11,348.28-3,407.48

Finding the Fourth Proportional to 7,569.60, 11,348.28 and 3,407.48

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Solution

The fourth proportional to 7,569.60, 11,348.28 and 3,407.48 is: 5,108.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,569.60 : 11,348.28 = 3,407.48 : x
  2. Step 2: Convert to fraction form
    7,569.60/11,348.28 = 3,407.48/x
  3. Step 3: Cross multiply
    7,569.60x = 11,348.28 × 3,407.48
  4. Step 4: Simplify right side
    7,569.60x = 38,669,037.13
  5. Step 5: Solve for x
    x = 38,669,037.13/7,569.60
  6. Step 6: Final answer
    x = 5,108.47

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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.