Home / 7,388.08-10,195.40-4,076.08

Finding the Fourth Proportional to 7,388.08, 10,195.40 and 4,076.08

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Solution

The fourth proportional to 7,388.08, 10,195.40 and 4,076.08 is: 5,624.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.08 : 10,195.40 = 4,076.08 : x
  2. Step 2: Convert to fraction form
    7,388.08/10,195.40 = 4,076.08/x
  3. Step 3: Cross multiply
    7,388.08x = 10,195.40 × 4,076.08
  4. Step 4: Simplify right side
    7,388.08x = 41,557,266.03
  5. Step 5: Solve for x
    x = 41,557,266.03/7,388.08
  6. Step 6: Final answer
    x = 5,624.91

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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.