Home / 7,479.21-10,325.51-5,882.70

Finding the Fourth Proportional to 7,479.21, 10,325.51 and 5,882.70

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Solution

The fourth proportional to 7,479.21, 10,325.51 and 5,882.70 is: 8,121.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.21 : 10,325.51 = 5,882.70 : x
  2. Step 2: Convert to fraction form
    7,479.21/10,325.51 = 5,882.70/x
  3. Step 3: Cross multiply
    7,479.21x = 10,325.51 × 5,882.70
  4. Step 4: Simplify right side
    7,479.21x = 60,741,877.68
  5. Step 5: Solve for x
    x = 60,741,877.68/7,479.21
  6. Step 6: Final answer
    x = 8,121.43

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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.