Home / 2,372.28-3,560.04-1,678.92

Finding the Fourth Proportional to 2,372.28, 3,560.04 and 1,678.92

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Solution

The fourth proportional to 2,372.28, 3,560.04 and 1,678.92 is: 2,519.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.28 : 3,560.04 = 1,678.92 : x
  2. Step 2: Convert to fraction form
    2,372.28/3,560.04 = 1,678.92/x
  3. Step 3: Cross multiply
    2,372.28x = 3,560.04 × 1,678.92
  4. Step 4: Simplify right side
    2,372.28x = 5,977,022.36
  5. Step 5: Solve for x
    x = 5,977,022.36/2,372.28
  6. Step 6: Final answer
    x = 2,519.53

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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.