Home / 6,106.76-9,160.75-1,891.02

Finding the Fourth Proportional to 6,106.76, 9,160.75 and 1,891.02

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Solution

The fourth proportional to 6,106.76, 9,160.75 and 1,891.02 is: 2,836.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.76 : 9,160.75 = 1,891.02 : x
  2. Step 2: Convert to fraction form
    6,106.76/9,160.75 = 1,891.02/x
  3. Step 3: Cross multiply
    6,106.76x = 9,160.75 × 1,891.02
  4. Step 4: Simplify right side
    6,106.76x = 17,323,129.48
  5. Step 5: Solve for x
    x = 17,323,129.48/6,106.76
  6. Step 6: Final answer
    x = 2,836.71

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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.