Home / 3,934.86-5,430.54-2,256.36

Finding the Fourth Proportional to 3,934.86, 5,430.54 and 2,256.36

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Solution

The fourth proportional to 3,934.86, 5,430.54 and 2,256.36 is: 3,114.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.86 : 5,430.54 = 2,256.36 : x
  2. Step 2: Convert to fraction form
    3,934.86/5,430.54 = 2,256.36/x
  3. Step 3: Cross multiply
    3,934.86x = 5,430.54 × 2,256.36
  4. Step 4: Simplify right side
    3,934.86x = 12,253,253.23
  5. Step 5: Solve for x
    x = 12,253,253.23/3,934.86
  6. Step 6: Final answer
    x = 3,114.03

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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.