Home / 2,091.90-3,113.20-2,014.14

Finding the Fourth Proportional to 2,091.90, 3,113.20 and 2,014.14

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Solution

The fourth proportional to 2,091.90, 3,113.20 and 2,014.14 is: 2,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.90 : 3,113.20 = 2,014.14 : x
  2. Step 2: Convert to fraction form
    2,091.90/3,113.20 = 2,014.14/x
  3. Step 3: Cross multiply
    2,091.90x = 3,113.20 × 2,014.14
  4. Step 4: Simplify right side
    2,091.90x = 6,270,420.65
  5. Step 5: Solve for x
    x = 6,270,420.65/2,091.90
  6. Step 6: Final answer
    x = 2,997.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.