Home / 6,130.36-9,187.42-2,231.02

Finding the Fourth Proportional to 6,130.36, 9,187.42 and 2,231.02

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Solution

The fourth proportional to 6,130.36, 9,187.42 and 2,231.02 is: 3,343.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.36 : 9,187.42 = 2,231.02 : x
  2. Step 2: Convert to fraction form
    6,130.36/9,187.42 = 2,231.02/x
  3. Step 3: Cross multiply
    6,130.36x = 9,187.42 × 2,231.02
  4. Step 4: Simplify right side
    6,130.36x = 20,497,317.77
  5. Step 5: Solve for x
    x = 20,497,317.77/6,130.36
  6. Step 6: Final answer
    x = 3,343.57

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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.