Home / 5,020.76-6,929.07-2,896.67

Finding the Fourth Proportional to 5,020.76, 6,929.07 and 2,896.67

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Solution

The fourth proportional to 5,020.76, 6,929.07 and 2,896.67 is: 3,997.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.76 : 6,929.07 = 2,896.67 : x
  2. Step 2: Convert to fraction form
    5,020.76/6,929.07 = 2,896.67/x
  3. Step 3: Cross multiply
    5,020.76x = 6,929.07 × 2,896.67
  4. Step 4: Simplify right side
    5,020.76x = 20,071,229.20
  5. Step 5: Solve for x
    x = 20,071,229.20/5,020.76
  6. Step 6: Final answer
    x = 3,997.65

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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.