Home / 3,458.07-4,772.28-1,966.25

Finding the Fourth Proportional to 3,458.07, 4,772.28 and 1,966.25

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Solution

The fourth proportional to 3,458.07, 4,772.28 and 1,966.25 is: 2,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.07 : 4,772.28 = 1,966.25 : x
  2. Step 2: Convert to fraction form
    3,458.07/4,772.28 = 1,966.25/x
  3. Step 3: Cross multiply
    3,458.07x = 4,772.28 × 1,966.25
  4. Step 4: Simplify right side
    3,458.07x = 9,383,471.69
  5. Step 5: Solve for x
    x = 9,383,471.69/3,458.07
  6. Step 6: Final answer
    x = 2,713.50

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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.