Home / 2,118.50-2,923.25-1,174.17

Finding the Fourth Proportional to 2,118.50, 2,923.25 and 1,174.17

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Solution

The fourth proportional to 2,118.50, 2,923.25 and 1,174.17 is: 1,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.50 : 2,923.25 = 1,174.17 : x
  2. Step 2: Convert to fraction form
    2,118.50/2,923.25 = 1,174.17/x
  3. Step 3: Cross multiply
    2,118.50x = 2,923.25 × 1,174.17
  4. Step 4: Simplify right side
    2,118.50x = 3,432,386.58
  5. Step 5: Solve for x
    x = 3,432,386.58/2,118.50
  6. Step 6: Final answer
    x = 1,620.20

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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.