Home / 2,916.42-4,376.30-1,067.28

Finding the Fourth Proportional to 2,916.42, 4,376.30 and 1,067.28

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Solution

The fourth proportional to 2,916.42, 4,376.30 and 1,067.28 is: 1,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.42 : 4,376.30 = 1,067.28 : x
  2. Step 2: Convert to fraction form
    2,916.42/4,376.30 = 1,067.28/x
  3. Step 3: Cross multiply
    2,916.42x = 4,376.30 × 1,067.28
  4. Step 4: Simplify right side
    2,916.42x = 4,670,737.46
  5. Step 5: Solve for x
    x = 4,670,737.46/2,916.42
  6. Step 6: Final answer
    x = 1,601.53

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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.