Home / 6,200.55-8,531.37-5,358.56

Finding the Fourth Proportional to 6,200.55, 8,531.37 and 5,358.56

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Solution

The fourth proportional to 6,200.55, 8,531.37 and 5,358.56 is: 7,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,200.55 : 8,531.37 = 5,358.56 : x
  2. Step 2: Convert to fraction form
    6,200.55/8,531.37 = 5,358.56/x
  3. Step 3: Cross multiply
    6,200.55x = 8,531.37 × 5,358.56
  4. Step 4: Simplify right side
    6,200.55x = 45,715,815.37
  5. Step 5: Solve for x
    x = 45,715,815.37/6,200.55
  6. Step 6: Final answer
    x = 7,372.86

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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.