Home / 7,540.07-11,315.36-3,098.07

Finding the Fourth Proportional to 7,540.07, 11,315.36 and 3,098.07

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Solution

The fourth proportional to 7,540.07, 11,315.36 and 3,098.07 is: 4,649.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.07 : 11,315.36 = 3,098.07 : x
  2. Step 2: Convert to fraction form
    7,540.07/11,315.36 = 3,098.07/x
  3. Step 3: Cross multiply
    7,540.07x = 11,315.36 × 3,098.07
  4. Step 4: Simplify right side
    7,540.07x = 35,055,785.10
  5. Step 5: Solve for x
    x = 35,055,785.10/7,540.07
  6. Step 6: Final answer
    x = 4,649.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.