Home / 5,174.08-7,140.26-2,816.24

Finding the Fourth Proportional to 5,174.08, 7,140.26 and 2,816.24

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Solution

The fourth proportional to 5,174.08, 7,140.26 and 2,816.24 is: 3,886.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.08 : 7,140.26 = 2,816.24 : x
  2. Step 2: Convert to fraction form
    5,174.08/7,140.26 = 2,816.24/x
  3. Step 3: Cross multiply
    5,174.08x = 7,140.26 × 2,816.24
  4. Step 4: Simplify right side
    5,174.08x = 20,108,700.15
  5. Step 5: Solve for x
    x = 20,108,700.15/5,174.08
  6. Step 6: Final answer
    x = 3,886.43

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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.