Home / 6,131.71-9,199.10-1,749.21

Finding the Fourth Proportional to 6,131.71, 9,199.10 and 1,749.21

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Solution

The fourth proportional to 6,131.71, 9,199.10 and 1,749.21 is: 2,624.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.71 : 9,199.10 = 1,749.21 : x
  2. Step 2: Convert to fraction form
    6,131.71/9,199.10 = 1,749.21/x
  3. Step 3: Cross multiply
    6,131.71x = 9,199.10 × 1,749.21
  4. Step 4: Simplify right side
    6,131.71x = 16,091,157.71
  5. Step 5: Solve for x
    x = 16,091,157.71/6,131.71
  6. Step 6: Final answer
    x = 2,624.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.