Home / 3,623.79-5,000.14-3,439.24

Finding the Fourth Proportional to 3,623.79, 5,000.14 and 3,439.24

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Solution

The fourth proportional to 3,623.79, 5,000.14 and 3,439.24 is: 4,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.79 : 5,000.14 = 3,439.24 : x
  2. Step 2: Convert to fraction form
    3,623.79/5,000.14 = 3,439.24/x
  3. Step 3: Cross multiply
    3,623.79x = 5,000.14 × 3,439.24
  4. Step 4: Simplify right side
    3,623.79x = 17,196,672.90
  5. Step 5: Solve for x
    x = 17,196,672.90/3,623.79
  6. Step 6: Final answer
    x = 4,745.50

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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.