Home / 3,934.73-5,430.85-2,256.11

Finding the Fourth Proportional to 3,934.73, 5,430.85 and 2,256.11

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Solution

The fourth proportional to 3,934.73, 5,430.85 and 2,256.11 is: 3,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.73 : 5,430.85 = 2,256.11 : x
  2. Step 2: Convert to fraction form
    3,934.73/5,430.85 = 2,256.11/x
  3. Step 3: Cross multiply
    3,934.73x = 5,430.85 × 2,256.11
  4. Step 4: Simplify right side
    3,934.73x = 12,252,567.84
  5. Step 5: Solve for x
    x = 12,252,567.84/3,934.73
  6. Step 6: Final answer
    x = 3,113.96

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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.