Home / 2,416.18-3,622.92-772.30

Finding the Fourth Proportional to 2,416.18, 3,622.92 and 772.30

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Solution

The fourth proportional to 2,416.18, 3,622.92 and 772.30 is: 1,158.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,416.18 : 3,622.92 = 772.30 : x
  2. Step 2: Convert to fraction form
    2,416.18/3,622.92 = 772.30/x
  3. Step 3: Cross multiply
    2,416.18x = 3,622.92 × 772.30
  4. Step 4: Simplify right side
    2,416.18x = 2,797,981.12
  5. Step 5: Solve for x
    x = 2,797,981.12/2,416.18
  6. Step 6: Final answer
    x = 1,158.02

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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.