Home / 7,324.05-10,106.28-4,339.20

Finding the Fourth Proportional to 7,324.05, 10,106.28 and 4,339.20

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Solution

The fourth proportional to 7,324.05, 10,106.28 and 4,339.20 is: 5,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.05 : 10,106.28 = 4,339.20 : x
  2. Step 2: Convert to fraction form
    7,324.05/10,106.28 = 4,339.20/x
  3. Step 3: Cross multiply
    7,324.05x = 10,106.28 × 4,339.20
  4. Step 4: Simplify right side
    7,324.05x = 43,853,170.18
  5. Step 5: Solve for x
    x = 43,853,170.18/7,324.05
  6. Step 6: Final answer
    x = 5,987.56

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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.