Home / 4,101.93-6,142.26-3,442.20

Finding the Fourth Proportional to 4,101.93, 6,142.26 and 3,442.20

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Solution

The fourth proportional to 4,101.93, 6,142.26 and 3,442.20 is: 5,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.93 : 6,142.26 = 3,442.20 : x
  2. Step 2: Convert to fraction form
    4,101.93/6,142.26 = 3,442.20/x
  3. Step 3: Cross multiply
    4,101.93x = 6,142.26 × 3,442.20
  4. Step 4: Simplify right side
    4,101.93x = 21,142,887.37
  5. Step 5: Solve for x
    x = 21,142,887.37/4,101.93
  6. Step 6: Final answer
    x = 5,154.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.