Home / 4,125.18-5,690.34-3,846.54

Finding the Fourth Proportional to 4,125.18, 5,690.34 and 3,846.54

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Solution

The fourth proportional to 4,125.18, 5,690.34 and 3,846.54 is: 5,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,125.18 : 5,690.34 = 3,846.54 : x
  2. Step 2: Convert to fraction form
    4,125.18/5,690.34 = 3,846.54/x
  3. Step 3: Cross multiply
    4,125.18x = 5,690.34 × 3,846.54
  4. Step 4: Simplify right side
    4,125.18x = 21,888,120.42
  5. Step 5: Solve for x
    x = 21,888,120.42/4,125.18
  6. Step 6: Final answer
    x = 5,305.98

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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.