Home / 3,767.15-5,199.76-2,274.81

Finding the Fourth Proportional to 3,767.15, 5,199.76 and 2,274.81

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Solution

The fourth proportional to 3,767.15, 5,199.76 and 2,274.81 is: 3,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.15 : 5,199.76 = 2,274.81 : x
  2. Step 2: Convert to fraction form
    3,767.15/5,199.76 = 2,274.81/x
  3. Step 3: Cross multiply
    3,767.15x = 5,199.76 × 2,274.81
  4. Step 4: Simplify right side
    3,767.15x = 11,828,466.05
  5. Step 5: Solve for x
    x = 11,828,466.05/3,767.15
  6. Step 6: Final answer
    x = 3,139.90

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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.