Home / 5,012.22-6,918.57-2,918.10

Finding the Fourth Proportional to 5,012.22, 6,918.57 and 2,918.10

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Solution

The fourth proportional to 5,012.22, 6,918.57 and 2,918.10 is: 4,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.22 : 6,918.57 = 2,918.10 : x
  2. Step 2: Convert to fraction form
    5,012.22/6,918.57 = 2,918.10/x
  3. Step 3: Cross multiply
    5,012.22x = 6,918.57 × 2,918.10
  4. Step 4: Simplify right side
    5,012.22x = 20,189,079.12
  5. Step 5: Solve for x
    x = 20,189,079.12/5,012.22
  6. Step 6: Final answer
    x = 4,027.97

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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.