Home / 3,847.23-5,307.99-2,353.59

Finding the Fourth Proportional to 3,847.23, 5,307.99 and 2,353.59

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Solution

The fourth proportional to 3,847.23, 5,307.99 and 2,353.59 is: 3,247.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847.23 : 5,307.99 = 2,353.59 : x
  2. Step 2: Convert to fraction form
    3,847.23/5,307.99 = 2,353.59/x
  3. Step 3: Cross multiply
    3,847.23x = 5,307.99 × 2,353.59
  4. Step 4: Simplify right side
    3,847.23x = 12,492,824.80
  5. Step 5: Solve for x
    x = 12,492,824.80/3,847.23
  6. Step 6: Final answer
    x = 3,247.23

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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.