Home / 5,338.93-7,367.21-3,100.76

Finding the Fourth Proportional to 5,338.93, 7,367.21 and 3,100.76

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Solution

The fourth proportional to 5,338.93, 7,367.21 and 3,100.76 is: 4,278.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338.93 : 7,367.21 = 3,100.76 : x
  2. Step 2: Convert to fraction form
    5,338.93/7,367.21 = 3,100.76/x
  3. Step 3: Cross multiply
    5,338.93x = 7,367.21 × 3,100.76
  4. Step 4: Simplify right side
    5,338.93x = 22,843,913.24
  5. Step 5: Solve for x
    x = 22,843,913.24/5,338.93
  6. Step 6: Final answer
    x = 4,278.75

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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.