Home / 5,246.91-7,870.44-2,085.14

Finding the Fourth Proportional to 5,246.91, 7,870.44 and 2,085.14

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Solution

The fourth proportional to 5,246.91, 7,870.44 and 2,085.14 is: 3,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.91 : 7,870.44 = 2,085.14 : x
  2. Step 2: Convert to fraction form
    5,246.91/7,870.44 = 2,085.14/x
  3. Step 3: Cross multiply
    5,246.91x = 7,870.44 × 2,085.14
  4. Step 4: Simplify right side
    5,246.91x = 16,410,929.91
  5. Step 5: Solve for x
    x = 16,410,929.91/5,246.91
  6. Step 6: Final answer
    x = 3,127.73

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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.