Home / 5,079.96-7,009.86-2,954.79

Finding the Fourth Proportional to 5,079.96, 7,009.86 and 2,954.79

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Solution

The fourth proportional to 5,079.96, 7,009.86 and 2,954.79 is: 4,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.96 : 7,009.86 = 2,954.79 : x
  2. Step 2: Convert to fraction form
    5,079.96/7,009.86 = 2,954.79/x
  3. Step 3: Cross multiply
    5,079.96x = 7,009.86 × 2,954.79
  4. Step 4: Simplify right side
    5,079.96x = 20,712,664.23
  5. Step 5: Solve for x
    x = 20,712,664.23/5,079.96
  6. Step 6: Final answer
    x = 4,077.33

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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.