Home / 5,105.52-7,045.38-3,009.24

Finding the Fourth Proportional to 5,105.52, 7,045.38 and 3,009.24

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Solution

The fourth proportional to 5,105.52, 7,045.38 and 3,009.24 is: 4,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.52 : 7,045.38 = 3,009.24 : x
  2. Step 2: Convert to fraction form
    5,105.52/7,045.38 = 3,009.24/x
  3. Step 3: Cross multiply
    5,105.52x = 7,045.38 × 3,009.24
  4. Step 4: Simplify right side
    5,105.52x = 21,201,239.31
  5. Step 5: Solve for x
    x = 21,201,239.31/5,105.52
  6. Step 6: Final answer
    x = 4,152.61

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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.