Home / 4,780.96-7,160.88-3,677.20

Finding the Fourth Proportional to 4,780.96, 7,160.88 and 3,677.20

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Solution

The fourth proportional to 4,780.96, 7,160.88 and 3,677.20 is: 5,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.96 : 7,160.88 = 3,677.20 : x
  2. Step 2: Convert to fraction form
    4,780.96/7,160.88 = 3,677.20/x
  3. Step 3: Cross multiply
    4,780.96x = 7,160.88 × 3,677.20
  4. Step 4: Simplify right side
    4,780.96x = 26,331,987.94
  5. Step 5: Solve for x
    x = 26,331,987.94/4,780.96
  6. Step 6: Final answer
    x = 5,507.68

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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.