Home / 2,264.94-3,125.62-1,321.38

Finding the Fourth Proportional to 2,264.94, 3,125.62 and 1,321.38

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Solution

The fourth proportional to 2,264.94, 3,125.62 and 1,321.38 is: 1,823.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,264.94 : 3,125.62 = 1,321.38 : x
  2. Step 2: Convert to fraction form
    2,264.94/3,125.62 = 1,321.38/x
  3. Step 3: Cross multiply
    2,264.94x = 3,125.62 × 1,321.38
  4. Step 4: Simplify right side
    2,264.94x = 4,130,123.12
  5. Step 5: Solve for x
    x = 4,130,123.12/2,264.94
  6. Step 6: Final answer
    x = 1,823.50

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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.