Home / 1,474.24-2,213.12-1,166.40

Finding the Fourth Proportional to 1,474.24, 2,213.12 and 1,166.40

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Solution

The fourth proportional to 1,474.24, 2,213.12 and 1,166.40 is: 1,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.24 : 2,213.12 = 1,166.40 : x
  2. Step 2: Convert to fraction form
    1,474.24/2,213.12 = 1,166.40/x
  3. Step 3: Cross multiply
    1,474.24x = 2,213.12 × 1,166.40
  4. Step 4: Simplify right side
    1,474.24x = 2,581,383.17
  5. Step 5: Solve for x
    x = 2,581,383.17/1,474.24
  6. Step 6: Final answer
    x = 1,750.99

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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.