Home / 5,572.85-7,690.10-3,150.05

Finding the Fourth Proportional to 5,572.85, 7,690.10 and 3,150.05

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Solution

The fourth proportional to 5,572.85, 7,690.10 and 3,150.05 is: 4,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.85 : 7,690.10 = 3,150.05 : x
  2. Step 2: Convert to fraction form
    5,572.85/7,690.10 = 3,150.05/x
  3. Step 3: Cross multiply
    5,572.85x = 7,690.10 × 3,150.05
  4. Step 4: Simplify right side
    5,572.85x = 24,224,202.98
  5. Step 5: Solve for x
    x = 24,224,202.98/5,572.85
  6. Step 6: Final answer
    x = 4,346.83

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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.