Home / 5,439.23-7,506.02-3,170.99

Finding the Fourth Proportional to 5,439.23, 7,506.02 and 3,170.99

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Solution

The fourth proportional to 5,439.23, 7,506.02 and 3,170.99 is: 4,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.23 : 7,506.02 = 3,170.99 : x
  2. Step 2: Convert to fraction form
    5,439.23/7,506.02 = 3,170.99/x
  3. Step 3: Cross multiply
    5,439.23x = 7,506.02 × 3,170.99
  4. Step 4: Simplify right side
    5,439.23x = 23,801,514.36
  5. Step 5: Solve for x
    x = 23,801,514.36/5,439.23
  6. Step 6: Final answer
    x = 4,375.90

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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.