Home / 6,635.10-9,155.67-4,542.30

Finding the Fourth Proportional to 6,635.10, 9,155.67 and 4,542.30

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Solution

The fourth proportional to 6,635.10, 9,155.67 and 4,542.30 is: 6,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.10 : 9,155.67 = 4,542.30 : x
  2. Step 2: Convert to fraction form
    6,635.10/9,155.67 = 4,542.30/x
  3. Step 3: Cross multiply
    6,635.10x = 9,155.67 × 4,542.30
  4. Step 4: Simplify right side
    6,635.10x = 41,587,799.84
  5. Step 5: Solve for x
    x = 41,587,799.84/6,635.10
  6. Step 6: Final answer
    x = 6,267.85

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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.