Home / 3,038.31-4,192.79-1,711.94

Finding the Fourth Proportional to 3,038.31, 4,192.79 and 1,711.94

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Solution

The fourth proportional to 3,038.31, 4,192.79 and 1,711.94 is: 2,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.31 : 4,192.79 = 1,711.94 : x
  2. Step 2: Convert to fraction form
    3,038.31/4,192.79 = 1,711.94/x
  3. Step 3: Cross multiply
    3,038.31x = 4,192.79 × 1,711.94
  4. Step 4: Simplify right side
    3,038.31x = 7,177,775.39
  5. Step 5: Solve for x
    x = 7,177,775.39/3,038.31
  6. Step 6: Final answer
    x = 2,362.42

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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.