Home / 2,123.41-2,930.25-1,179.18

Finding the Fourth Proportional to 2,123.41, 2,930.25 and 1,179.18

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Solution

The fourth proportional to 2,123.41, 2,930.25 and 1,179.18 is: 1,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123.41 : 2,930.25 = 1,179.18 : x
  2. Step 2: Convert to fraction form
    2,123.41/2,930.25 = 1,179.18/x
  3. Step 3: Cross multiply
    2,123.41x = 2,930.25 × 1,179.18
  4. Step 4: Simplify right side
    2,123.41x = 3,455,271.65
  5. Step 5: Solve for x
    x = 3,455,271.65/2,123.41
  6. Step 6: Final answer
    x = 1,627.23

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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.