Home / 3,677.16-5,078.14-2,419.02

Finding the Fourth Proportional to 3,677.16, 5,078.14 and 2,419.02

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Solution

The fourth proportional to 3,677.16, 5,078.14 and 2,419.02 is: 3,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.16 : 5,078.14 = 2,419.02 : x
  2. Step 2: Convert to fraction form
    3,677.16/5,078.14 = 2,419.02/x
  3. Step 3: Cross multiply
    3,677.16x = 5,078.14 × 2,419.02
  4. Step 4: Simplify right side
    3,677.16x = 12,284,122.22
  5. Step 5: Solve for x
    x = 12,284,122.22/3,677.16
  6. Step 6: Final answer
    x = 3,340.65

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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.