Home / 5,232.21-7,222.05-3,108.08

Finding the Fourth Proportional to 5,232.21, 7,222.05 and 3,108.08

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Solution

The fourth proportional to 5,232.21, 7,222.05 and 3,108.08 is: 4,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,232.21 : 7,222.05 = 3,108.08 : x
  2. Step 2: Convert to fraction form
    5,232.21/7,222.05 = 3,108.08/x
  3. Step 3: Cross multiply
    5,232.21x = 7,222.05 × 3,108.08
  4. Step 4: Simplify right side
    5,232.21x = 22,446,709.16
  5. Step 5: Solve for x
    x = 22,446,709.16/5,232.21
  6. Step 6: Final answer
    x = 4,290.10

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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.