Home / 7,568.72-11,349.17-3,405.18

Finding the Fourth Proportional to 7,568.72, 11,349.17 and 3,405.18

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Solution

The fourth proportional to 7,568.72, 11,349.17 and 3,405.18 is: 5,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.72 : 11,349.17 = 3,405.18 : x
  2. Step 2: Convert to fraction form
    7,568.72/11,349.17 = 3,405.18/x
  3. Step 3: Cross multiply
    7,568.72x = 11,349.17 × 3,405.18
  4. Step 4: Simplify right side
    7,568.72x = 38,645,966.70
  5. Step 5: Solve for x
    x = 38,645,966.70/7,568.72
  6. Step 6: Final answer
    x = 5,106.01

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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.