Home / 5,079.96-7,009.47-3,192.66

Finding the Fourth Proportional to 5,079.96, 7,009.47 and 3,192.66

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Solution

The fourth proportional to 5,079.96, 7,009.47 and 3,192.66 is: 4,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.96 : 7,009.47 = 3,192.66 : x
  2. Step 2: Convert to fraction form
    5,079.96/7,009.47 = 3,192.66/x
  3. Step 3: Cross multiply
    5,079.96x = 7,009.47 × 3,192.66
  4. Step 4: Simplify right side
    5,079.96x = 22,378,854.49
  5. Step 5: Solve for x
    x = 22,378,854.49/5,079.96
  6. Step 6: Final answer
    x = 4,405.32

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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.