Home / 7,406.13-10,220.70-4,049.13

Finding the Fourth Proportional to 7,406.13, 10,220.70 and 4,049.13

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Solution

The fourth proportional to 7,406.13, 10,220.70 and 4,049.13 is: 5,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,406.13 : 10,220.70 = 4,049.13 : x
  2. Step 2: Convert to fraction form
    7,406.13/10,220.70 = 4,049.13/x
  3. Step 3: Cross multiply
    7,406.13x = 10,220.70 × 4,049.13
  4. Step 4: Simplify right side
    7,406.13x = 41,384,942.99
  5. Step 5: Solve for x
    x = 41,384,942.99/7,406.13
  6. Step 6: Final answer
    x = 5,587.93

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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.