Home / 5,534.39-7,637.60-3,144.31

Finding the Fourth Proportional to 5,534.39, 7,637.60 and 3,144.31

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Solution

The fourth proportional to 5,534.39, 7,637.60 and 3,144.31 is: 4,339.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.39 : 7,637.60 = 3,144.31 : x
  2. Step 2: Convert to fraction form
    5,534.39/7,637.60 = 3,144.31/x
  3. Step 3: Cross multiply
    5,534.39x = 7,637.60 × 3,144.31
  4. Step 4: Simplify right side
    5,534.39x = 24,014,928.15
  5. Step 5: Solve for x
    x = 24,014,928.15/5,534.39
  6. Step 6: Final answer
    x = 4,339.22

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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.