Home / 2,742.24-3,787.92-2,392.32

Finding the Fourth Proportional to 2,742.24, 3,787.92 and 2,392.32

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Solution

The fourth proportional to 2,742.24, 3,787.92 and 2,392.32 is: 3,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.24 : 3,787.92 = 2,392.32 : x
  2. Step 2: Convert to fraction form
    2,742.24/3,787.92 = 2,392.32/x
  3. Step 3: Cross multiply
    2,742.24x = 3,787.92 × 2,392.32
  4. Step 4: Simplify right side
    2,742.24x = 9,061,916.77
  5. Step 5: Solve for x
    x = 9,061,916.77/2,742.24
  6. Step 6: Final answer
    x = 3,304.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.