Home / 5,192.39-7,788.11-2,071.58

Finding the Fourth Proportional to 5,192.39, 7,788.11 and 2,071.58

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Solution

The fourth proportional to 5,192.39, 7,788.11 and 2,071.58 is: 3,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.39 : 7,788.11 = 2,071.58 : x
  2. Step 2: Convert to fraction form
    5,192.39/7,788.11 = 2,071.58/x
  3. Step 3: Cross multiply
    5,192.39x = 7,788.11 × 2,071.58
  4. Step 4: Simplify right side
    5,192.39x = 16,133,643.62
  5. Step 5: Solve for x
    x = 16,133,643.62/5,192.39
  6. Step 6: Final answer
    x = 3,107.17

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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.