Home / 4,100.28-6,150.78-1,760.40

Finding the Fourth Proportional to 4,100.28, 6,150.78 and 1,760.40

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Solution

The fourth proportional to 4,100.28, 6,150.78 and 1,760.40 is: 2,640.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.28 : 6,150.78 = 1,760.40 : x
  2. Step 2: Convert to fraction form
    4,100.28/6,150.78 = 1,760.40/x
  3. Step 3: Cross multiply
    4,100.28x = 6,150.78 × 1,760.40
  4. Step 4: Simplify right side
    4,100.28x = 10,827,833.11
  5. Step 5: Solve for x
    x = 10,827,833.11/4,100.28
  6. Step 6: Final answer
    x = 2,640.75

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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.