Home / 5,195.30-7,169.48-2,837.45

Finding the Fourth Proportional to 5,195.30, 7,169.48 and 2,837.45

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Solution

The fourth proportional to 5,195.30, 7,169.48 and 2,837.45 is: 3,915.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.30 : 7,169.48 = 2,837.45 : x
  2. Step 2: Convert to fraction form
    5,195.30/7,169.48 = 2,837.45/x
  3. Step 3: Cross multiply
    5,195.30x = 7,169.48 × 2,837.45
  4. Step 4: Simplify right side
    5,195.30x = 20,342,990.99
  5. Step 5: Solve for x
    x = 20,342,990.99/5,195.30
  6. Step 6: Final answer
    x = 3,915.66

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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.