Home / 5,132.90-7,696.28-2,009.18

Finding the Fourth Proportional to 5,132.90, 7,696.28 and 2,009.18

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Solution

The fourth proportional to 5,132.90, 7,696.28 and 2,009.18 is: 3,012.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,696.28 = 2,009.18 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,696.28 = 2,009.18/x
  3. Step 3: Cross multiply
    5,132.90x = 7,696.28 × 2,009.18
  4. Step 4: Simplify right side
    5,132.90x = 15,463,211.85
  5. Step 5: Solve for x
    x = 15,463,211.85/5,132.90
  6. Step 6: Final answer
    x = 3,012.57

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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.