Home / 2,336.98-3,221.68-1,838.76

Finding the Fourth Proportional to 2,336.98, 3,221.68 and 1,838.76

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Solution

The fourth proportional to 2,336.98, 3,221.68 and 1,838.76 is: 2,534.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.98 : 3,221.68 = 1,838.76 : x
  2. Step 2: Convert to fraction form
    2,336.98/3,221.68 = 1,838.76/x
  3. Step 3: Cross multiply
    2,336.98x = 3,221.68 × 1,838.76
  4. Step 4: Simplify right side
    2,336.98x = 5,923,896.32
  5. Step 5: Solve for x
    x = 5,923,896.32/2,336.98
  6. Step 6: Final answer
    x = 2,534.85

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Half scale
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Find fourth proportional to 2,337.98, 3,223.06 and 1,839.76
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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.