Home / 1,790.81-2,471.09-1,044.95

Finding the Fourth Proportional to 1,790.81, 2,471.09 and 1,044.95

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Solution

The fourth proportional to 1,790.81, 2,471.09 and 1,044.95 is: 1,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.81 : 2,471.09 = 1,044.95 : x
  2. Step 2: Convert to fraction form
    1,790.81/2,471.09 = 1,044.95/x
  3. Step 3: Cross multiply
    1,790.81x = 2,471.09 × 1,044.95
  4. Step 4: Simplify right side
    1,790.81x = 2,582,153.14
  5. Step 5: Solve for x
    x = 2,582,153.14/1,790.81
  6. Step 6: Final answer
    x = 1,441.90

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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.