Home / 7,047.91-10,571.83-2,117.54

Finding the Fourth Proportional to 7,047.91, 10,571.83 and 2,117.54

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Solution

The fourth proportional to 7,047.91, 10,571.83 and 2,117.54 is: 3,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047.91 : 10,571.83 = 2,117.54 : x
  2. Step 2: Convert to fraction form
    7,047.91/10,571.83 = 2,117.54/x
  3. Step 3: Cross multiply
    7,047.91x = 10,571.83 × 2,117.54
  4. Step 4: Simplify right side
    7,047.91x = 22,386,272.90
  5. Step 5: Solve for x
    x = 22,386,272.90/7,047.91
  6. Step 6: Final answer
    x = 3,176.30

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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.