Home / 5,168.19-7,132.14-2,810.37

Finding the Fourth Proportional to 5,168.19, 7,132.14 and 2,810.37

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Solution

The fourth proportional to 5,168.19, 7,132.14 and 2,810.37 is: 3,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.19 : 7,132.14 = 2,810.37 : x
  2. Step 2: Convert to fraction form
    5,168.19/7,132.14 = 2,810.37/x
  3. Step 3: Cross multiply
    5,168.19x = 7,132.14 × 2,810.37
  4. Step 4: Simplify right side
    5,168.19x = 20,043,952.29
  5. Step 5: Solve for x
    x = 20,043,952.29/5,168.19
  6. Step 6: Final answer
    x = 3,878.33

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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.