Home / 5,229.63-7,221.58-3,901.03

Finding the Fourth Proportional to 5,229.63, 7,221.58 and 3,901.03

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Solution

The fourth proportional to 5,229.63, 7,221.58 and 3,901.03 is: 5,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.63 : 7,221.58 = 3,901.03 : x
  2. Step 2: Convert to fraction form
    5,229.63/7,221.58 = 3,901.03/x
  3. Step 3: Cross multiply
    5,229.63x = 7,221.58 × 3,901.03
  4. Step 4: Simplify right side
    5,229.63x = 28,171,572.42
  5. Step 5: Solve for x
    x = 28,171,572.42/5,229.63
  6. Step 6: Final answer
    x = 5,386.92

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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.