Home / 7,271.32-10,904.82-2,654.68

Finding the Fourth Proportional to 7,271.32, 10,904.82 and 2,654.68

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Solution

The fourth proportional to 7,271.32, 10,904.82 and 2,654.68 is: 3,981.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.32 : 10,904.82 = 2,654.68 : x
  2. Step 2: Convert to fraction form
    7,271.32/10,904.82 = 2,654.68/x
  3. Step 3: Cross multiply
    7,271.32x = 10,904.82 × 2,654.68
  4. Step 4: Simplify right side
    7,271.32x = 28,948,807.56
  5. Step 5: Solve for x
    x = 28,948,807.56/7,271.32
  6. Step 6: Final answer
    x = 3,981.23

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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.