Home / 2,700.77-4,045.68-2,082.33

Finding the Fourth Proportional to 2,700.77, 4,045.68 and 2,082.33

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Solution

The fourth proportional to 2,700.77, 4,045.68 and 2,082.33 is: 3,119.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.77 : 4,045.68 = 2,082.33 : x
  2. Step 2: Convert to fraction form
    2,700.77/4,045.68 = 2,082.33/x
  3. Step 3: Cross multiply
    2,700.77x = 4,045.68 × 2,082.33
  4. Step 4: Simplify right side
    2,700.77x = 8,424,440.83
  5. Step 5: Solve for x
    x = 8,424,440.83/2,700.77
  6. Step 6: Final answer
    x = 3,119.28

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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.