Home / 5,072.23-6,999.72-2,834.20

Finding the Fourth Proportional to 5,072.23, 6,999.72 and 2,834.20

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Solution

The fourth proportional to 5,072.23, 6,999.72 and 2,834.20 is: 3,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.23 : 6,999.72 = 2,834.20 : x
  2. Step 2: Convert to fraction form
    5,072.23/6,999.72 = 2,834.20/x
  3. Step 3: Cross multiply
    5,072.23x = 6,999.72 × 2,834.20
  4. Step 4: Simplify right side
    5,072.23x = 19,838,624.23
  5. Step 5: Solve for x
    x = 19,838,624.23/5,072.23
  6. Step 6: Final answer
    x = 3,911.22

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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.