Home / 2,708.38-4,041.61-2,416.78

Finding the Fourth Proportional to 2,708.38, 4,041.61 and 2,416.78

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Solution

The fourth proportional to 2,708.38, 4,041.61 and 2,416.78 is: 3,606.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.38 : 4,041.61 = 2,416.78 : x
  2. Step 2: Convert to fraction form
    2,708.38/4,041.61 = 2,416.78/x
  3. Step 3: Cross multiply
    2,708.38x = 4,041.61 × 2,416.78
  4. Step 4: Simplify right side
    2,708.38x = 9,767,662.01
  5. Step 5: Solve for x
    x = 9,767,662.01/2,708.38
  6. Step 6: Final answer
    x = 3,606.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.