Home / 2,968.31-4,096.23-1,642.12

Finding the Fourth Proportional to 2,968.31, 4,096.23 and 1,642.12

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Solution

The fourth proportional to 2,968.31, 4,096.23 and 1,642.12 is: 2,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.31 : 4,096.23 = 1,642.12 : x
  2. Step 2: Convert to fraction form
    2,968.31/4,096.23 = 1,642.12/x
  3. Step 3: Cross multiply
    2,968.31x = 4,096.23 × 1,642.12
  4. Step 4: Simplify right side
    2,968.31x = 6,726,501.21
  5. Step 5: Solve for x
    x = 6,726,501.21/2,968.31
  6. Step 6: Final answer
    x = 2,266.10

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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.