Home / 2,091.99-2,892.20-1,567.11

Finding the Fourth Proportional to 2,091.99, 2,892.20 and 1,567.11

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Solution

The fourth proportional to 2,091.99, 2,892.20 and 1,567.11 is: 2,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.99 : 2,892.20 = 1,567.11 : x
  2. Step 2: Convert to fraction form
    2,091.99/2,892.20 = 1,567.11/x
  3. Step 3: Cross multiply
    2,091.99x = 2,892.20 × 1,567.11
  4. Step 4: Simplify right side
    2,091.99x = 4,532,395.54
  5. Step 5: Solve for x
    x = 4,532,395.54/2,091.99
  6. Step 6: Final answer
    x = 2,166.55

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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.