Home / 7,265.76-10,890-5,062.56

Finding the Fourth Proportional to 7,265.76, 10,890 and 5,062.56

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Solution

The fourth proportional to 7,265.76, 10,890 and 5,062.56 is: 7,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.76 : 10,890 = 5,062.56 : x
  2. Step 2: Convert to fraction form
    7,265.76/10,890 = 5,062.56/x
  3. Step 3: Cross multiply
    7,265.76x = 10,890 × 5,062.56
  4. Step 4: Simplify right side
    7,265.76x = 55,131,278.40
  5. Step 5: Solve for x
    x = 55,131,278.40/7,265.76
  6. Step 6: Final answer
    x = 7,587.82

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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.