Home / 1,340.24-1,849.59-750.83

Finding the Fourth Proportional to 1,340.24, 1,849.59 and 750.83

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Solution

The fourth proportional to 1,340.24, 1,849.59 and 750.83 is: 1,036.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.24 : 1,849.59 = 750.83 : x
  2. Step 2: Convert to fraction form
    1,340.24/1,849.59 = 750.83/x
  3. Step 3: Cross multiply
    1,340.24x = 1,849.59 × 750.83
  4. Step 4: Simplify right side
    1,340.24x = 1,388,718.41
  5. Step 5: Solve for x
    x = 1,388,718.41/1,340.24
  6. Step 6: Final answer
    x = 1,036.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.