Home / 2,777.57-4,168.40-2,236.28

Finding the Fourth Proportional to 2,777.57, 4,168.40 and 2,236.28

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Solution

The fourth proportional to 2,777.57, 4,168.40 and 2,236.28 is: 3,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.57 : 4,168.40 = 2,236.28 : x
  2. Step 2: Convert to fraction form
    2,777.57/4,168.40 = 2,236.28/x
  3. Step 3: Cross multiply
    2,777.57x = 4,168.40 × 2,236.28
  4. Step 4: Simplify right side
    2,777.57x = 9,321,722.13
  5. Step 5: Solve for x
    x = 9,321,722.13/2,777.57
  6. Step 6: Final answer
    x = 3,356.08

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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.