Home / 6,221.83-8,586.13-3,427.33

Finding the Fourth Proportional to 6,221.83, 8,586.13 and 3,427.33

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Solution

The fourth proportional to 6,221.83, 8,586.13 and 3,427.33 is: 4,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.83 : 8,586.13 = 3,427.33 : x
  2. Step 2: Convert to fraction form
    6,221.83/8,586.13 = 3,427.33/x
  3. Step 3: Cross multiply
    6,221.83x = 8,586.13 × 3,427.33
  4. Step 4: Simplify right side
    6,221.83x = 29,427,483.80
  5. Step 5: Solve for x
    x = 29,427,483.80/6,221.83
  6. Step 6: Final answer
    x = 4,729.72

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Half scale
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Double scale
Find fourth proportional to 6,222.83, 8,587.50 and 3,428.33
Similar ratio
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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.