Home / 3,066.10-4,225.16-2,179.42

Finding the Fourth Proportional to 3,066.10, 4,225.16 and 2,179.42

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Solution

The fourth proportional to 3,066.10, 4,225.16 and 2,179.42 is: 3,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.10 : 4,225.16 = 2,179.42 : x
  2. Step 2: Convert to fraction form
    3,066.10/4,225.16 = 2,179.42/x
  3. Step 3: Cross multiply
    3,066.10x = 4,225.16 × 2,179.42
  4. Step 4: Simplify right side
    3,066.10x = 9,208,398.21
  5. Step 5: Solve for x
    x = 9,208,398.21/3,066.10
  6. Step 6: Final answer
    x = 3,003.29

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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.