Home / 7,406.28-10,220.35-4,049.08

Finding the Fourth Proportional to 7,406.28, 10,220.35 and 4,049.08

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Solution

The fourth proportional to 7,406.28, 10,220.35 and 4,049.08 is: 5,587.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.28 : 10,220.35 = 4,049.08 : x
  2. Step 2: Convert to fraction form
    7,406.28/10,220.35 = 4,049.08/x
  3. Step 3: Cross multiply
    7,406.28x = 10,220.35 × 4,049.08
  4. Step 4: Simplify right side
    7,406.28x = 41,383,014.78
  5. Step 5: Solve for x
    x = 41,383,014.78/7,406.28
  6. Step 6: Final answer
    x = 5,587.56

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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.