Home / 7,343.55-10,134.41-5,221.35

Finding the Fourth Proportional to 7,343.55, 10,134.41 and 5,221.35

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Solution

The fourth proportional to 7,343.55, 10,134.41 and 5,221.35 is: 7,205.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.55 : 10,134.41 = 5,221.35 : x
  2. Step 2: Convert to fraction form
    7,343.55/10,134.41 = 5,221.35/x
  3. Step 3: Cross multiply
    7,343.55x = 10,134.41 × 5,221.35
  4. Step 4: Simplify right side
    7,343.55x = 52,915,275.55
  5. Step 5: Solve for x
    x = 52,915,275.55/7,343.55
  6. Step 6: Final answer
    x = 7,205.68

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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.