Home / 1,952.34-2,927.94-636.12

Finding the Fourth Proportional to 1,952.34, 2,927.94 and 636.12

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Solution

The fourth proportional to 1,952.34, 2,927.94 and 636.12 is: 953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.34 : 2,927.94 = 636.12 : x
  2. Step 2: Convert to fraction form
    1,952.34/2,927.94 = 636.12/x
  3. Step 3: Cross multiply
    1,952.34x = 2,927.94 × 636.12
  4. Step 4: Simplify right side
    1,952.34x = 1,862,521.19
  5. Step 5: Solve for x
    x = 1,862,521.19/1,952.34
  6. Step 6: Final answer
    x = 953.99

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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.