Home / 5,455.17-7,528.68-3,098.07

Finding the Fourth Proportional to 5,455.17, 7,528.68 and 3,098.07

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Solution

The fourth proportional to 5,455.17, 7,528.68 and 3,098.07 is: 4,275.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.17 : 7,528.68 = 3,098.07 : x
  2. Step 2: Convert to fraction form
    5,455.17/7,528.68 = 3,098.07/x
  3. Step 3: Cross multiply
    5,455.17x = 7,528.68 × 3,098.07
  4. Step 4: Simplify right side
    5,455.17x = 23,324,377.65
  5. Step 5: Solve for x
    x = 23,324,377.65/5,455.17
  6. Step 6: Final answer
    x = 4,275.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.