Home / 5,109.03-7,057.40-4,003.92

Finding the Fourth Proportional to 5,109.03, 7,057.40 and 4,003.92

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Solution

The fourth proportional to 5,109.03, 7,057.40 and 4,003.92 is: 5,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.03 : 7,057.40 = 4,003.92 : x
  2. Step 2: Convert to fraction form
    5,109.03/7,057.40 = 4,003.92/x
  3. Step 3: Cross multiply
    5,109.03x = 7,057.40 × 4,003.92
  4. Step 4: Simplify right side
    5,109.03x = 28,257,244.99
  5. Step 5: Solve for x
    x = 28,257,244.99/5,109.03
  6. Step 6: Final answer
    x = 5,530.84

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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.