Home / 4,991.46-6,886.80-3,224.10

Finding the Fourth Proportional to 4,991.46, 6,886.80 and 3,224.10

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Solution

The fourth proportional to 4,991.46, 6,886.80 and 3,224.10 is: 4,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.46 : 6,886.80 = 3,224.10 : x
  2. Step 2: Convert to fraction form
    4,991.46/6,886.80 = 3,224.10/x
  3. Step 3: Cross multiply
    4,991.46x = 6,886.80 × 3,224.10
  4. Step 4: Simplify right side
    4,991.46x = 22,203,731.88
  5. Step 5: Solve for x
    x = 22,203,731.88/4,991.46
  6. Step 6: Final answer
    x = 4,448.34

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Half scale
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Double scale
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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.