Home / 3,091.68-4,258.80-2,500.56

Finding the Fourth Proportional to 3,091.68, 4,258.80 and 2,500.56

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Solution

The fourth proportional to 3,091.68, 4,258.80 and 2,500.56 is: 3,444.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.68 : 4,258.80 = 2,500.56 : x
  2. Step 2: Convert to fraction form
    3,091.68/4,258.80 = 2,500.56/x
  3. Step 3: Cross multiply
    3,091.68x = 4,258.80 × 2,500.56
  4. Step 4: Simplify right side
    3,091.68x = 10,649,384.93
  5. Step 5: Solve for x
    x = 10,649,384.93/3,091.68
  6. Step 6: Final answer
    x = 3,444.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.