Home / 7,297.20-10,937.88-2,612.64

Finding the Fourth Proportional to 7,297.20, 10,937.88 and 2,612.64

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Solution

The fourth proportional to 7,297.20, 10,937.88 and 2,612.64 is: 3,916.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.20 : 10,937.88 = 2,612.64 : x
  2. Step 2: Convert to fraction form
    7,297.20/10,937.88 = 2,612.64/x
  3. Step 3: Cross multiply
    7,297.20x = 10,937.88 × 2,612.64
  4. Step 4: Simplify right side
    7,297.20x = 28,576,742.80
  5. Step 5: Solve for x
    x = 28,576,742.80/7,297.20
  6. Step 6: Final answer
    x = 3,916.12

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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.