Home / 3,681.19-5,521.85-1,601.20

Finding the Fourth Proportional to 3,681.19, 5,521.85 and 1,601.20

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Solution

The fourth proportional to 3,681.19, 5,521.85 and 1,601.20 is: 2,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.19 : 5,521.85 = 1,601.20 : x
  2. Step 2: Convert to fraction form
    3,681.19/5,521.85 = 1,601.20/x
  3. Step 3: Cross multiply
    3,681.19x = 5,521.85 × 1,601.20
  4. Step 4: Simplify right side
    3,681.19x = 8,841,586.22
  5. Step 5: Solve for x
    x = 8,841,586.22/3,681.19
  6. Step 6: Final answer
    x = 2,401.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.