Home / 4,076.68-6,115.55-1,155.06

Finding the Fourth Proportional to 4,076.68, 6,115.55 and 1,155.06

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Solution

The fourth proportional to 4,076.68, 6,115.55 and 1,155.06 is: 1,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.68 : 6,115.55 = 1,155.06 : x
  2. Step 2: Convert to fraction form
    4,076.68/6,115.55 = 1,155.06/x
  3. Step 3: Cross multiply
    4,076.68x = 6,115.55 × 1,155.06
  4. Step 4: Simplify right side
    4,076.68x = 7,063,827.90
  5. Step 5: Solve for x
    x = 7,063,827.90/4,076.68
  6. Step 6: Final answer
    x = 1,732.74

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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.