Home / 7,381.24-10,175.30-5,609.72

Finding the Fourth Proportional to 7,381.24, 10,175.30 and 5,609.72

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Solution

The fourth proportional to 7,381.24, 10,175.30 and 5,609.72 is: 7,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.24 : 10,175.30 = 5,609.72 : x
  2. Step 2: Convert to fraction form
    7,381.24/10,175.30 = 5,609.72/x
  3. Step 3: Cross multiply
    7,381.24x = 10,175.30 × 5,609.72
  4. Step 4: Simplify right side
    7,381.24x = 57,080,583.92
  5. Step 5: Solve for x
    x = 57,080,583.92/7,381.24
  6. Step 6: Final answer
    x = 7,733.20

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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.