Home / 2,916.28-4,376.23-1,184.90

Finding the Fourth Proportional to 2,916.28, 4,376.23 and 1,184.90

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Solution

The fourth proportional to 2,916.28, 4,376.23 and 1,184.90 is: 1,778.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.28 : 4,376.23 = 1,184.90 : x
  2. Step 2: Convert to fraction form
    2,916.28/4,376.23 = 1,184.90/x
  3. Step 3: Cross multiply
    2,916.28x = 4,376.23 × 1,184.90
  4. Step 4: Simplify right side
    2,916.28x = 5,185,394.93
  5. Step 5: Solve for x
    x = 5,185,394.93/2,916.28
  6. Step 6: Final answer
    x = 1,778.09

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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.