Home / 3,101.68-4,280.26-1,775.48

Finding the Fourth Proportional to 3,101.68, 4,280.26 and 1,775.48

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Solution

The fourth proportional to 3,101.68, 4,280.26 and 1,775.48 is: 2,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.68 : 4,280.26 = 1,775.48 : x
  2. Step 2: Convert to fraction form
    3,101.68/4,280.26 = 1,775.48/x
  3. Step 3: Cross multiply
    3,101.68x = 4,280.26 × 1,775.48
  4. Step 4: Simplify right side
    3,101.68x = 7,599,516.02
  5. Step 5: Solve for x
    x = 7,599,516.02/3,101.68
  6. Step 6: Final answer
    x = 2,450.13

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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.