Home / 5,079.95-7,010.70-2,842.54

Finding the Fourth Proportional to 5,079.95, 7,010.70 and 2,842.54

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Solution

The fourth proportional to 5,079.95, 7,010.70 and 2,842.54 is: 3,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.95 : 7,010.70 = 2,842.54 : x
  2. Step 2: Convert to fraction form
    5,079.95/7,010.70 = 2,842.54/x
  3. Step 3: Cross multiply
    5,079.95x = 7,010.70 × 2,842.54
  4. Step 4: Simplify right side
    5,079.95x = 19,928,180.97
  5. Step 5: Solve for x
    x = 19,928,180.97/5,079.95
  6. Step 6: Final answer
    x = 3,922.91

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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.