Home / 1,836.24-2,754.40-1,470.12

Finding the Fourth Proportional to 1,836.24, 2,754.40 and 1,470.12

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Solution

The fourth proportional to 1,836.24, 2,754.40 and 1,470.12 is: 2,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.24 : 2,754.40 = 1,470.12 : x
  2. Step 2: Convert to fraction form
    1,836.24/2,754.40 = 1,470.12/x
  3. Step 3: Cross multiply
    1,836.24x = 2,754.40 × 1,470.12
  4. Step 4: Simplify right side
    1,836.24x = 4,049,298.53
  5. Step 5: Solve for x
    x = 4,049,298.53/1,836.24
  6. Step 6: Final answer
    x = 2,205.21

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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.