Home / 5,222.19-7,207.11-2,984.22

Finding the Fourth Proportional to 5,222.19, 7,207.11 and 2,984.22

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Solution

The fourth proportional to 5,222.19, 7,207.11 and 2,984.22 is: 4,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.19 : 7,207.11 = 2,984.22 : x
  2. Step 2: Convert to fraction form
    5,222.19/7,207.11 = 2,984.22/x
  3. Step 3: Cross multiply
    5,222.19x = 7,207.11 × 2,984.22
  4. Step 4: Simplify right side
    5,222.19x = 21,507,601.80
  5. Step 5: Solve for x
    x = 21,507,601.80/5,222.19
  6. Step 6: Final answer
    x = 4,118.50

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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.