Home / 5,561.28-7,674.60-3,203.76

Finding the Fourth Proportional to 5,561.28, 7,674.60 and 3,203.76

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Solution

The fourth proportional to 5,561.28, 7,674.60 and 3,203.76 is: 4,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.28 : 7,674.60 = 3,203.76 : x
  2. Step 2: Convert to fraction form
    5,561.28/7,674.60 = 3,203.76/x
  3. Step 3: Cross multiply
    5,561.28x = 7,674.60 × 3,203.76
  4. Step 4: Simplify right side
    5,561.28x = 24,587,576.50
  5. Step 5: Solve for x
    x = 24,587,576.50/5,561.28
  6. Step 6: Final answer
    x = 4,421.21

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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.