Home / 5,478.59-7,560.72-3,241.77

Finding the Fourth Proportional to 5,478.59, 7,560.72 and 3,241.77

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Solution

The fourth proportional to 5,478.59, 7,560.72 and 3,241.77 is: 4,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.59 : 7,560.72 = 3,241.77 : x
  2. Step 2: Convert to fraction form
    5,478.59/7,560.72 = 3,241.77/x
  3. Step 3: Cross multiply
    5,478.59x = 7,560.72 × 3,241.77
  4. Step 4: Simplify right side
    5,478.59x = 24,510,115.27
  5. Step 5: Solve for x
    x = 24,510,115.27/5,478.59
  6. Step 6: Final answer
    x = 4,473.80

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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.