Home / 7,407.35-10,221.74-4,049.49

Finding the Fourth Proportional to 7,407.35, 10,221.74 and 4,049.49

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Solution

The fourth proportional to 7,407.35, 10,221.74 and 4,049.49 is: 5,588.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.35 : 10,221.74 = 4,049.49 : x
  2. Step 2: Convert to fraction form
    7,407.35/10,221.74 = 4,049.49/x
  3. Step 3: Cross multiply
    7,407.35x = 10,221.74 × 4,049.49
  4. Step 4: Simplify right side
    7,407.35x = 41,392,889.96
  5. Step 5: Solve for x
    x = 41,392,889.96/7,407.35
  6. Step 6: Final answer
    x = 5,588.08

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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.