Home / 5,331.72-7,996.62-1,435.22

Finding the Fourth Proportional to 5,331.72, 7,996.62 and 1,435.22

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Solution

The fourth proportional to 5,331.72, 7,996.62 and 1,435.22 is: 2,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.72 : 7,996.62 = 1,435.22 : x
  2. Step 2: Convert to fraction form
    5,331.72/7,996.62 = 1,435.22/x
  3. Step 3: Cross multiply
    5,331.72x = 7,996.62 × 1,435.22
  4. Step 4: Simplify right side
    5,331.72x = 11,476,904.34
  5. Step 5: Solve for x
    x = 11,476,904.34/5,331.72
  6. Step 6: Final answer
    x = 2,152.57

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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.