Home / 4,892.51-7,338.76-1,382.58

Finding the Fourth Proportional to 4,892.51, 7,338.76 and 1,382.58

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Solution

The fourth proportional to 4,892.51, 7,338.76 and 1,382.58 is: 2,073.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892.51 : 7,338.76 = 1,382.58 : x
  2. Step 2: Convert to fraction form
    4,892.51/7,338.76 = 1,382.58/x
  3. Step 3: Cross multiply
    4,892.51x = 7,338.76 × 1,382.58
  4. Step 4: Simplify right side
    4,892.51x = 10,146,422.80
  5. Step 5: Solve for x
    x = 10,146,422.80/4,892.51
  6. Step 6: Final answer
    x = 2,073.87

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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.