Home / 4,977.74-7,468.23-2,380.88

Finding the Fourth Proportional to 4,977.74, 7,468.23 and 2,380.88

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Solution

The fourth proportional to 4,977.74, 7,468.23 and 2,380.88 is: 3,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.74 : 7,468.23 = 2,380.88 : x
  2. Step 2: Convert to fraction form
    4,977.74/7,468.23 = 2,380.88/x
  3. Step 3: Cross multiply
    4,977.74x = 7,468.23 × 2,380.88
  4. Step 4: Simplify right side
    4,977.74x = 17,780,922.10
  5. Step 5: Solve for x
    x = 17,780,922.10/4,977.74
  6. Step 6: Final answer
    x = 3,572.09

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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.