Home / 4,009.93-5,531.75-2,828.41

Finding the Fourth Proportional to 4,009.93, 5,531.75 and 2,828.41

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Solution

The fourth proportional to 4,009.93, 5,531.75 and 2,828.41 is: 3,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.93 : 5,531.75 = 2,828.41 : x
  2. Step 2: Convert to fraction form
    4,009.93/5,531.75 = 2,828.41/x
  3. Step 3: Cross multiply
    4,009.93x = 5,531.75 × 2,828.41
  4. Step 4: Simplify right side
    4,009.93x = 15,646,057.02
  5. Step 5: Solve for x
    x = 15,646,057.02/4,009.93
  6. Step 6: Final answer
    x = 3,901.83

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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.