Home / 3,398.13-4,685.52-3,066.42

Finding the Fourth Proportional to 3,398.13, 4,685.52 and 3,066.42

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Solution

The fourth proportional to 3,398.13, 4,685.52 and 3,066.42 is: 4,228.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.13 : 4,685.52 = 3,066.42 : x
  2. Step 2: Convert to fraction form
    3,398.13/4,685.52 = 3,066.42/x
  3. Step 3: Cross multiply
    3,398.13x = 4,685.52 × 3,066.42
  4. Step 4: Simplify right side
    3,398.13x = 14,367,772.24
  5. Step 5: Solve for x
    x = 14,367,772.24/3,398.13
  6. Step 6: Final answer
    x = 4,228.14

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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.