Home / 5,191.48-7,165.98-3,201.16

Finding the Fourth Proportional to 5,191.48, 7,165.98 and 3,201.16

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Solution

The fourth proportional to 5,191.48, 7,165.98 and 3,201.16 is: 4,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.48 : 7,165.98 = 3,201.16 : x
  2. Step 2: Convert to fraction form
    5,191.48/7,165.98 = 3,201.16/x
  3. Step 3: Cross multiply
    5,191.48x = 7,165.98 × 3,201.16
  4. Step 4: Simplify right side
    5,191.48x = 22,939,448.54
  5. Step 5: Solve for x
    x = 22,939,448.54/5,191.48
  6. Step 6: Final answer
    x = 4,418.67

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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.