Home / 2,210.41-3,315.92-749.17

Finding the Fourth Proportional to 2,210.41, 3,315.92 and 749.17

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Solution

The fourth proportional to 2,210.41, 3,315.92 and 749.17 is: 1,123.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.41 : 3,315.92 = 749.17 : x
  2. Step 2: Convert to fraction form
    2,210.41/3,315.92 = 749.17/x
  3. Step 3: Cross multiply
    2,210.41x = 3,315.92 × 749.17
  4. Step 4: Simplify right side
    2,210.41x = 2,484,187.79
  5. Step 5: Solve for x
    x = 2,484,187.79/2,210.41
  6. Step 6: Final answer
    x = 1,123.86

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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.