Home / 1,790.12-2,470.41-1,044.11

Finding the Fourth Proportional to 1,790.12, 2,470.41 and 1,044.11

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Solution

The fourth proportional to 1,790.12, 2,470.41 and 1,044.11 is: 1,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790.12 : 2,470.41 = 1,044.11 : x
  2. Step 2: Convert to fraction form
    1,790.12/2,470.41 = 1,044.11/x
  3. Step 3: Cross multiply
    1,790.12x = 2,470.41 × 1,044.11
  4. Step 4: Simplify right side
    1,790.12x = 2,579,367.43
  5. Step 5: Solve for x
    x = 2,579,367.43/1,790.12
  6. Step 6: Final answer
    x = 1,440.89

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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.