Home / 5,112.31-7,668.53-3,368.48

Finding the Fourth Proportional to 5,112.31, 7,668.53 and 3,368.48

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Solution

The fourth proportional to 5,112.31, 7,668.53 and 3,368.48 is: 5,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.31 : 7,668.53 = 3,368.48 : x
  2. Step 2: Convert to fraction form
    5,112.31/7,668.53 = 3,368.48/x
  3. Step 3: Cross multiply
    5,112.31x = 7,668.53 × 3,368.48
  4. Step 4: Simplify right side
    5,112.31x = 25,831,260.01
  5. Step 5: Solve for x
    x = 25,831,260.01/5,112.31
  6. Step 6: Final answer
    x = 5,052.76

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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.