Home / 5,273.15-7,278.68-3,701.63

Finding the Fourth Proportional to 5,273.15, 7,278.68 and 3,701.63

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Solution

The fourth proportional to 5,273.15, 7,278.68 and 3,701.63 is: 5,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.15 : 7,278.68 = 3,701.63 : x
  2. Step 2: Convert to fraction form
    5,273.15/7,278.68 = 3,701.63/x
  3. Step 3: Cross multiply
    5,273.15x = 7,278.68 × 3,701.63
  4. Step 4: Simplify right side
    5,273.15x = 26,942,961.74
  5. Step 5: Solve for x
    x = 26,942,961.74/5,273.15
  6. Step 6: Final answer
    x = 5,109.46

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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.