Home / 5,233.09-7,221.83-2,875.28

Finding the Fourth Proportional to 5,233.09, 7,221.83 and 2,875.28

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Solution

The fourth proportional to 5,233.09, 7,221.83 and 2,875.28 is: 3,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,233.09 : 7,221.83 = 2,875.28 : x
  2. Step 2: Convert to fraction form
    5,233.09/7,221.83 = 2,875.28/x
  3. Step 3: Cross multiply
    5,233.09x = 7,221.83 × 2,875.28
  4. Step 4: Simplify right side
    5,233.09x = 20,764,783.36
  5. Step 5: Solve for x
    x = 20,764,783.36/5,233.09
  6. Step 6: Final answer
    x = 3,967.98

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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.