Home / 3,281.60-4,525.72-2,581.76

Finding the Fourth Proportional to 3,281.60, 4,525.72 and 2,581.76

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Solution

The fourth proportional to 3,281.60, 4,525.72 and 2,581.76 is: 3,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.60 : 4,525.72 = 2,581.76 : x
  2. Step 2: Convert to fraction form
    3,281.60/4,525.72 = 2,581.76/x
  3. Step 3: Cross multiply
    3,281.60x = 4,525.72 × 2,581.76
  4. Step 4: Simplify right side
    3,281.60x = 11,684,322.87
  5. Step 5: Solve for x
    x = 11,684,322.87/3,281.60
  6. Step 6: Final answer
    x = 3,560.56

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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.