Home / 5,714.19-7,885.60-3,196.41

Finding the Fourth Proportional to 5,714.19, 7,885.60 and 3,196.41

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Solution

The fourth proportional to 5,714.19, 7,885.60 and 3,196.41 is: 4,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.19 : 7,885.60 = 3,196.41 : x
  2. Step 2: Convert to fraction form
    5,714.19/7,885.60 = 3,196.41/x
  3. Step 3: Cross multiply
    5,714.19x = 7,885.60 × 3,196.41
  4. Step 4: Simplify right side
    5,714.19x = 25,205,571.27
  5. Step 5: Solve for x
    x = 25,205,571.27/5,714.19
  6. Step 6: Final answer
    x = 4,411.05

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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.