Home / 5,282.92-7,916.56-2,159.15

Finding the Fourth Proportional to 5,282.92, 7,916.56 and 2,159.15

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Solution

The fourth proportional to 5,282.92, 7,916.56 and 2,159.15 is: 3,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.92 : 7,916.56 = 2,159.15 : x
  2. Step 2: Convert to fraction form
    5,282.92/7,916.56 = 2,159.15/x
  3. Step 3: Cross multiply
    5,282.92x = 7,916.56 × 2,159.15
  4. Step 4: Simplify right side
    5,282.92x = 17,093,054.92
  5. Step 5: Solve for x
    x = 17,093,054.92/5,282.92
  6. Step 6: Final answer
    x = 3,235.53

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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.