Home / 2,150.22-3,207.48-2,078.24

Finding the Fourth Proportional to 2,150.22, 3,207.48 and 2,078.24

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Solution

The fourth proportional to 2,150.22, 3,207.48 and 2,078.24 is: 3,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.22 : 3,207.48 = 2,078.24 : x
  2. Step 2: Convert to fraction form
    2,150.22/3,207.48 = 2,078.24/x
  3. Step 3: Cross multiply
    2,150.22x = 3,207.48 × 2,078.24
  4. Step 4: Simplify right side
    2,150.22x = 6,665,897.20
  5. Step 5: Solve for x
    x = 6,665,897.20/2,150.22
  6. Step 6: Final answer
    x = 3,100.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.