Home / 3,451.16-4,767.44-3,078.02

Finding the Fourth Proportional to 3,451.16, 4,767.44 and 3,078.02

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Solution

The fourth proportional to 3,451.16, 4,767.44 and 3,078.02 is: 4,251.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.16 : 4,767.44 = 3,078.02 : x
  2. Step 2: Convert to fraction form
    3,451.16/4,767.44 = 3,078.02/x
  3. Step 3: Cross multiply
    3,451.16x = 4,767.44 × 3,078.02
  4. Step 4: Simplify right side
    3,451.16x = 14,674,275.67
  5. Step 5: Solve for x
    x = 14,674,275.67/3,451.16
  6. Step 6: Final answer
    x = 4,251.98

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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.