Home / 3,396.25-4,685.34-2,402.38

Finding the Fourth Proportional to 3,396.25, 4,685.34 and 2,402.38

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Solution

The fourth proportional to 3,396.25, 4,685.34 and 2,402.38 is: 3,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.25 : 4,685.34 = 2,402.38 : x
  2. Step 2: Convert to fraction form
    3,396.25/4,685.34 = 2,402.38/x
  3. Step 3: Cross multiply
    3,396.25x = 4,685.34 × 2,402.38
  4. Step 4: Simplify right side
    3,396.25x = 11,255,967.11
  5. Step 5: Solve for x
    x = 11,255,967.11/3,396.25
  6. Step 6: Final answer
    x = 3,314.23

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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.