Home / 3,333.46-5,002.40-1,385.66

Finding the Fourth Proportional to 3,333.46, 5,002.40 and 1,385.66

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Solution

The fourth proportional to 3,333.46, 5,002.40 and 1,385.66 is: 2,079.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,333.46 : 5,002.40 = 1,385.66 : x
  2. Step 2: Convert to fraction form
    3,333.46/5,002.40 = 1,385.66/x
  3. Step 3: Cross multiply
    3,333.46x = 5,002.40 × 1,385.66
  4. Step 4: Simplify right side
    3,333.46x = 6,931,625.58
  5. Step 5: Solve for x
    x = 6,931,625.58/3,333.46
  6. Step 6: Final answer
    x = 2,079.41

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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.