Home / 5,079.48-7,010.22-2,984.76

Finding the Fourth Proportional to 5,079.48, 7,010.22 and 2,984.76

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Solution

The fourth proportional to 5,079.48, 7,010.22 and 2,984.76 is: 4,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.48 : 7,010.22 = 2,984.76 : x
  2. Step 2: Convert to fraction form
    5,079.48/7,010.22 = 2,984.76/x
  3. Step 3: Cross multiply
    5,079.48x = 7,010.22 × 2,984.76
  4. Step 4: Simplify right side
    5,079.48x = 20,923,824.25
  5. Step 5: Solve for x
    x = 20,923,824.25/5,079.48
  6. Step 6: Final answer
    x = 4,119.28

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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.