Home / 5,265.76-7,267.12-2,907.92

Finding the Fourth Proportional to 5,265.76, 7,267.12 and 2,907.92

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Solution

The fourth proportional to 5,265.76, 7,267.12 and 2,907.92 is: 4,013.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265.76 : 7,267.12 = 2,907.92 : x
  2. Step 2: Convert to fraction form
    5,265.76/7,267.12 = 2,907.92/x
  3. Step 3: Cross multiply
    5,265.76x = 7,267.12 × 2,907.92
  4. Step 4: Simplify right side
    5,265.76x = 21,132,203.59
  5. Step 5: Solve for x
    x = 21,132,203.59/5,265.76
  6. Step 6: Final answer
    x = 4,013.13

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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.