Home / 5,530.03-7,629.69-3,171.76

Finding the Fourth Proportional to 5,530.03, 7,629.69 and 3,171.76

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Solution

The fourth proportional to 5,530.03, 7,629.69 and 3,171.76 is: 4,376.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.03 : 7,629.69 = 3,171.76 : x
  2. Step 2: Convert to fraction form
    5,530.03/7,629.69 = 3,171.76/x
  3. Step 3: Cross multiply
    5,530.03x = 7,629.69 × 3,171.76
  4. Step 4: Simplify right side
    5,530.03x = 24,199,545.55
  5. Step 5: Solve for x
    x = 24,199,545.55/5,530.03
  6. Step 6: Final answer
    x = 4,376.02

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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.