Home / 5,238.54-7,857.45-1,950.12

Finding the Fourth Proportional to 5,238.54, 7,857.45 and 1,950.12

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Solution

The fourth proportional to 5,238.54, 7,857.45 and 1,950.12 is: 2,925.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.54 : 7,857.45 = 1,950.12 : x
  2. Step 2: Convert to fraction form
    5,238.54/7,857.45 = 1,950.12/x
  3. Step 3: Cross multiply
    5,238.54x = 7,857.45 × 1,950.12
  4. Step 4: Simplify right side
    5,238.54x = 15,322,970.39
  5. Step 5: Solve for x
    x = 15,322,970.39/5,238.54
  6. Step 6: Final answer
    x = 2,925.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.