Home / 5,168.08-7,132.04-2,810.24

Finding the Fourth Proportional to 5,168.08, 7,132.04 and 2,810.24

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Solution

The fourth proportional to 5,168.08, 7,132.04 and 2,810.24 is: 3,878.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.08 : 7,132.04 = 2,810.24 : x
  2. Step 2: Convert to fraction form
    5,168.08/7,132.04 = 2,810.24/x
  3. Step 3: Cross multiply
    5,168.08x = 7,132.04 × 2,810.24
  4. Step 4: Simplify right side
    5,168.08x = 20,042,708.43
  5. Step 5: Solve for x
    x = 20,042,708.43/5,168.08
  6. Step 6: Final answer
    x = 3,878.17

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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.