Home / 3,366.32-5,045.40-2,972.66

Finding the Fourth Proportional to 3,366.32, 5,045.40 and 2,972.66

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Solution

The fourth proportional to 3,366.32, 5,045.40 and 2,972.66 is: 4,455.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.32 : 5,045.40 = 2,972.66 : x
  2. Step 2: Convert to fraction form
    3,366.32/5,045.40 = 2,972.66/x
  3. Step 3: Cross multiply
    3,366.32x = 5,045.40 × 2,972.66
  4. Step 4: Simplify right side
    3,366.32x = 14,998,258.76
  5. Step 5: Solve for x
    x = 14,998,258.76/3,366.32
  6. Step 6: Final answer
    x = 4,455.39

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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.