Home / 3,316.55-4,972.40-1,755.28

Finding the Fourth Proportional to 3,316.55, 4,972.40 and 1,755.28

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Solution

The fourth proportional to 3,316.55, 4,972.40 and 1,755.28 is: 2,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.55 : 4,972.40 = 1,755.28 : x
  2. Step 2: Convert to fraction form
    3,316.55/4,972.40 = 1,755.28/x
  3. Step 3: Cross multiply
    3,316.55x = 4,972.40 × 1,755.28
  4. Step 4: Simplify right side
    3,316.55x = 8,727,920.63
  5. Step 5: Solve for x
    x = 8,727,920.63/3,316.55
  6. Step 6: Final answer
    x = 2,631.63

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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.