Home / 7,335.81-10,122.44-4,149.54

Finding the Fourth Proportional to 7,335.81, 10,122.44 and 4,149.54

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Solution

The fourth proportional to 7,335.81, 10,122.44 and 4,149.54 is: 5,725.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.81 : 10,122.44 = 4,149.54 : x
  2. Step 2: Convert to fraction form
    7,335.81/10,122.44 = 4,149.54/x
  3. Step 3: Cross multiply
    7,335.81x = 10,122.44 × 4,149.54
  4. Step 4: Simplify right side
    7,335.81x = 42,003,448.93
  5. Step 5: Solve for x
    x = 42,003,448.93/7,335.81
  6. Step 6: Final answer
    x = 5,725.81

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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.