Home / 5,272.95-7,910.11-3,400.33

Finding the Fourth Proportional to 5,272.95, 7,910.11 and 3,400.33

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Solution

The fourth proportional to 5,272.95, 7,910.11 and 3,400.33 is: 5,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.95 : 7,910.11 = 3,400.33 : x
  2. Step 2: Convert to fraction form
    5,272.95/7,910.11 = 3,400.33/x
  3. Step 3: Cross multiply
    5,272.95x = 7,910.11 × 3,400.33
  4. Step 4: Simplify right side
    5,272.95x = 26,896,964.52
  5. Step 5: Solve for x
    x = 26,896,964.52/5,272.95
  6. Step 6: Final answer
    x = 5,100.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.