Home / 5,459.38-7,533.69-3,221.35

Finding the Fourth Proportional to 5,459.38, 7,533.69 and 3,221.35

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Solution

The fourth proportional to 5,459.38, 7,533.69 and 3,221.35 is: 4,445.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.38 : 7,533.69 = 3,221.35 : x
  2. Step 2: Convert to fraction form
    5,459.38/7,533.69 = 3,221.35/x
  3. Step 3: Cross multiply
    5,459.38x = 7,533.69 × 3,221.35
  4. Step 4: Simplify right side
    5,459.38x = 24,268,652.28
  5. Step 5: Solve for x
    x = 24,268,652.28/5,459.38
  6. Step 6: Final answer
    x = 4,445.31

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Find fourth proportional to 2,729.69, 3,766.85 and 1,610.68
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.