Home / 5,440.51-7,512.47-4,093.78

Finding the Fourth Proportional to 5,440.51, 7,512.47 and 4,093.78

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Solution

The fourth proportional to 5,440.51, 7,512.47 and 4,093.78 is: 5,652.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.51 : 7,512.47 = 4,093.78 : x
  2. Step 2: Convert to fraction form
    5,440.51/7,512.47 = 4,093.78/x
  3. Step 3: Cross multiply
    5,440.51x = 7,512.47 × 4,093.78
  4. Step 4: Simplify right side
    5,440.51x = 30,754,399.44
  5. Step 5: Solve for x
    x = 30,754,399.44/5,440.51
  6. Step 6: Final answer
    x = 5,652.85

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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.