Home / 7,290.16-10,932.96-2,358.78

Finding the Fourth Proportional to 7,290.16, 10,932.96 and 2,358.78

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Solution

The fourth proportional to 7,290.16, 10,932.96 and 2,358.78 is: 3,537.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.16 : 10,932.96 = 2,358.78 : x
  2. Step 2: Convert to fraction form
    7,290.16/10,932.96 = 2,358.78/x
  3. Step 3: Cross multiply
    7,290.16x = 10,932.96 × 2,358.78
  4. Step 4: Simplify right side
    7,290.16x = 25,788,432.72
  5. Step 5: Solve for x
    x = 25,788,432.72/7,290.16
  6. Step 6: Final answer
    x = 3,537.43

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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.