Home / 5,534.38-7,637.34-3,144.34

Finding the Fourth Proportional to 5,534.38, 7,637.34 and 3,144.34

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Solution

The fourth proportional to 5,534.38, 7,637.34 and 3,144.34 is: 4,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,534.38 : 7,637.34 = 3,144.34 : x
  2. Step 2: Convert to fraction form
    5,534.38/7,637.34 = 3,144.34/x
  3. Step 3: Cross multiply
    5,534.38x = 7,637.34 × 3,144.34
  4. Step 4: Simplify right side
    5,534.38x = 24,014,393.66
  5. Step 5: Solve for x
    x = 24,014,393.66/5,534.38
  6. Step 6: Final answer
    x = 4,339.13

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Half scale
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Double scale
Find fourth proportional to 5,535.38, 7,638.72 and 3,145.34
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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.