Home / 5,212.77-7,191.84-2,973.03

Finding the Fourth Proportional to 5,212.77, 7,191.84 and 2,973.03

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Solution

The fourth proportional to 5,212.77, 7,191.84 and 2,973.03 is: 4,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.77 : 7,191.84 = 2,973.03 : x
  2. Step 2: Convert to fraction form
    5,212.77/7,191.84 = 2,973.03/x
  3. Step 3: Cross multiply
    5,212.77x = 7,191.84 × 2,973.03
  4. Step 4: Simplify right side
    5,212.77x = 21,381,556.08
  5. Step 5: Solve for x
    x = 21,381,556.08/5,212.77
  6. Step 6: Final answer
    x = 4,101.76

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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.