Home / 3,277.40-4,521.96-1,861.11

Finding the Fourth Proportional to 3,277.40, 4,521.96 and 1,861.11

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Solution

The fourth proportional to 3,277.40, 4,521.96 and 1,861.11 is: 2,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.40 : 4,521.96 = 1,861.11 : x
  2. Step 2: Convert to fraction form
    3,277.40/4,521.96 = 1,861.11/x
  3. Step 3: Cross multiply
    3,277.40x = 4,521.96 × 1,861.11
  4. Step 4: Simplify right side
    3,277.40x = 8,415,864.98
  5. Step 5: Solve for x
    x = 8,415,864.98/3,277.40
  6. Step 6: Final answer
    x = 2,567.85

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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.