Home / 5,501.36-7,591.80-3,143.48

Finding the Fourth Proportional to 5,501.36, 7,591.80 and 3,143.48

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Solution

The fourth proportional to 5,501.36, 7,591.80 and 3,143.48 is: 4,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501.36 : 7,591.80 = 3,143.48 : x
  2. Step 2: Convert to fraction form
    5,501.36/7,591.80 = 3,143.48/x
  3. Step 3: Cross multiply
    5,501.36x = 7,591.80 × 3,143.48
  4. Step 4: Simplify right side
    5,501.36x = 23,864,671.46
  5. Step 5: Solve for x
    x = 23,864,671.46/5,501.36
  6. Step 6: Final answer
    x = 4,337.96

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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.