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Finding the Fourth Proportional to 3,764.04, 5,182.78 and 3,343.66

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Solution

The fourth proportional to 3,764.04, 5,182.78 and 3,343.66 is: 4,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.04 : 5,182.78 = 3,343.66 : x
  2. Step 2: Convert to fraction form
    3,764.04/5,182.78 = 3,343.66/x
  3. Step 3: Cross multiply
    3,764.04x = 5,182.78 × 3,343.66
  4. Step 4: Simplify right side
    3,764.04x = 17,329,454.17
  5. Step 5: Solve for x
    x = 17,329,454.17/3,764.04
  6. Step 6: Final answer
    x = 4,603.95

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1.5x scale

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.