Home / 5,458.96-7,531.60-3,221.58

Finding the Fourth Proportional to 5,458.96, 7,531.60 and 3,221.58

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Solution

The fourth proportional to 5,458.96, 7,531.60 and 3,221.58 is: 4,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.96 : 7,531.60 = 3,221.58 : x
  2. Step 2: Convert to fraction form
    5,458.96/7,531.60 = 3,221.58/x
  3. Step 3: Cross multiply
    5,458.96x = 7,531.60 × 3,221.58
  4. Step 4: Simplify right side
    5,458.96x = 24,263,635.82
  5. Step 5: Solve for x
    x = 24,263,635.82/5,458.96
  6. Step 6: Final answer
    x = 4,444.74

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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.