Home / 3,050.20-4,206.56-2,378.17

Finding the Fourth Proportional to 3,050.20, 4,206.56 and 2,378.17

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Solution

The fourth proportional to 3,050.20, 4,206.56 and 2,378.17 is: 3,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.20 : 4,206.56 = 2,378.17 : x
  2. Step 2: Convert to fraction form
    3,050.20/4,206.56 = 2,378.17/x
  3. Step 3: Cross multiply
    3,050.20x = 4,206.56 × 2,378.17
  4. Step 4: Simplify right side
    3,050.20x = 10,003,892.39
  5. Step 5: Solve for x
    x = 10,003,892.39/3,050.20
  6. Step 6: Final answer
    x = 3,279.75

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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.