Home / 3,299.18-4,551.54-1,972.14

Finding the Fourth Proportional to 3,299.18, 4,551.54 and 1,972.14

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Solution

The fourth proportional to 3,299.18, 4,551.54 and 1,972.14 is: 2,720.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,299.18 : 4,551.54 = 1,972.14 : x
  2. Step 2: Convert to fraction form
    3,299.18/4,551.54 = 1,972.14/x
  3. Step 3: Cross multiply
    3,299.18x = 4,551.54 × 1,972.14
  4. Step 4: Simplify right side
    3,299.18x = 8,976,274.10
  5. Step 5: Solve for x
    x = 8,976,274.10/3,299.18
  6. Step 6: Final answer
    x = 2,720.76

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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.