Home / 5,461.11-8,190.87-2,687.04

Finding the Fourth Proportional to 5,461.11, 8,190.87 and 2,687.04

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Solution

The fourth proportional to 5,461.11, 8,190.87 and 2,687.04 is: 4,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.11 : 8,190.87 = 2,687.04 : x
  2. Step 2: Convert to fraction form
    5,461.11/8,190.87 = 2,687.04/x
  3. Step 3: Cross multiply
    5,461.11x = 8,190.87 × 2,687.04
  4. Step 4: Simplify right side
    5,461.11x = 22,009,195.32
  5. Step 5: Solve for x
    x = 22,009,195.32/5,461.11
  6. Step 6: Final answer
    x = 4,030.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.