Home / 2,576.32-3,865.56-2,372.08

Finding the Fourth Proportional to 2,576.32, 3,865.56 and 2,372.08

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Solution

The fourth proportional to 2,576.32, 3,865.56 and 2,372.08 is: 3,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.32 : 3,865.56 = 2,372.08 : x
  2. Step 2: Convert to fraction form
    2,576.32/3,865.56 = 2,372.08/x
  3. Step 3: Cross multiply
    2,576.32x = 3,865.56 × 2,372.08
  4. Step 4: Simplify right side
    2,576.32x = 9,169,417.56
  5. Step 5: Solve for x
    x = 9,169,417.56/2,576.32
  6. Step 6: Final answer
    x = 3,559.11

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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.