Home / 1,732.02-2,390.49-1,033.78

Finding the Fourth Proportional to 1,732.02, 2,390.49 and 1,033.78

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Solution

The fourth proportional to 1,732.02, 2,390.49 and 1,033.78 is: 1,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.02 : 2,390.49 = 1,033.78 : x
  2. Step 2: Convert to fraction form
    1,732.02/2,390.49 = 1,033.78/x
  3. Step 3: Cross multiply
    1,732.02x = 2,390.49 × 1,033.78
  4. Step 4: Simplify right side
    1,732.02x = 2,471,240.75
  5. Step 5: Solve for x
    x = 2,471,240.75/1,732.02
  6. Step 6: Final answer
    x = 1,426.80

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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.