Home / 3,403.36-4,693.76-2,874.84

Finding the Fourth Proportional to 3,403.36, 4,693.76 and 2,874.84

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Solution

The fourth proportional to 3,403.36, 4,693.76 and 2,874.84 is: 3,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.36 : 4,693.76 = 2,874.84 : x
  2. Step 2: Convert to fraction form
    3,403.36/4,693.76 = 2,874.84/x
  3. Step 3: Cross multiply
    3,403.36x = 4,693.76 × 2,874.84
  4. Step 4: Simplify right side
    3,403.36x = 13,493,809.00
  5. Step 5: Solve for x
    x = 13,493,809.00/3,403.36
  6. Step 6: Final answer
    x = 3,964.85

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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.