Home / 5,054.16-6,979.04-3,168.90

Finding the Fourth Proportional to 5,054.16, 6,979.04 and 3,168.90

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Solution

The fourth proportional to 5,054.16, 6,979.04 and 3,168.90 is: 4,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.16 : 6,979.04 = 3,168.90 : x
  2. Step 2: Convert to fraction form
    5,054.16/6,979.04 = 3,168.90/x
  3. Step 3: Cross multiply
    5,054.16x = 6,979.04 × 3,168.90
  4. Step 4: Simplify right side
    5,054.16x = 22,115,837.84
  5. Step 5: Solve for x
    x = 22,115,837.84/5,054.16
  6. Step 6: Final answer
    x = 4,375.77

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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.