Home / 3,498.96-4,823.70-2,378.16

Finding the Fourth Proportional to 3,498.96, 4,823.70 and 2,378.16

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Solution

The fourth proportional to 3,498.96, 4,823.70 and 2,378.16 is: 3,278.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.96 : 4,823.70 = 2,378.16 : x
  2. Step 2: Convert to fraction form
    3,498.96/4,823.70 = 2,378.16/x
  3. Step 3: Cross multiply
    3,498.96x = 4,823.70 × 2,378.16
  4. Step 4: Simplify right side
    3,498.96x = 11,471,530.39
  5. Step 5: Solve for x
    x = 11,471,530.39/3,498.96
  6. Step 6: Final answer
    x = 3,278.55

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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.