Home / 5,155.62-7,726.44-2,376.18

Finding the Fourth Proportional to 5,155.62, 7,726.44 and 2,376.18

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Solution

The fourth proportional to 5,155.62, 7,726.44 and 2,376.18 is: 3,561.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,155.62 : 7,726.44 = 2,376.18 : x
  2. Step 2: Convert to fraction form
    5,155.62/7,726.44 = 2,376.18/x
  3. Step 3: Cross multiply
    5,155.62x = 7,726.44 × 2,376.18
  4. Step 4: Simplify right side
    5,155.62x = 18,359,412.20
  5. Step 5: Solve for x
    x = 18,359,412.20/5,155.62
  6. Step 6: Final answer
    x = 3,561.05

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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.