Home / 5,431.05-7,496.51-3,163.06

Finding the Fourth Proportional to 5,431.05, 7,496.51 and 3,163.06

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Solution

The fourth proportional to 5,431.05, 7,496.51 and 3,163.06 is: 4,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.05 : 7,496.51 = 3,163.06 : x
  2. Step 2: Convert to fraction form
    5,431.05/7,496.51 = 3,163.06/x
  3. Step 3: Cross multiply
    5,431.05x = 7,496.51 × 3,163.06
  4. Step 4: Simplify right side
    5,431.05x = 23,711,937.26
  5. Step 5: Solve for x
    x = 23,711,937.26/5,431.05
  6. Step 6: Final answer
    x = 4,366.00

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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.