Home / 5,206.32-7,184.63-3,189.42

Finding the Fourth Proportional to 5,206.32, 7,184.63 and 3,189.42

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Solution

The fourth proportional to 5,206.32, 7,184.63 and 3,189.42 is: 4,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.32 : 7,184.63 = 3,189.42 : x
  2. Step 2: Convert to fraction form
    5,206.32/7,184.63 = 3,189.42/x
  3. Step 3: Cross multiply
    5,206.32x = 7,184.63 × 3,189.42
  4. Step 4: Simplify right side
    5,206.32x = 22,914,750.74
  5. Step 5: Solve for x
    x = 22,914,750.74/5,206.32
  6. Step 6: Final answer
    x = 4,401.34

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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.