Home / 3,084.61-4,256.30-1,966.51

Finding the Fourth Proportional to 3,084.61, 4,256.30 and 1,966.51

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Solution

The fourth proportional to 3,084.61, 4,256.30 and 1,966.51 is: 2,713.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.61 : 4,256.30 = 1,966.51 : x
  2. Step 2: Convert to fraction form
    3,084.61/4,256.30 = 1,966.51/x
  3. Step 3: Cross multiply
    3,084.61x = 4,256.30 × 1,966.51
  4. Step 4: Simplify right side
    3,084.61x = 8,370,025.40
  5. Step 5: Solve for x
    x = 8,370,025.40/3,084.61
  6. Step 6: Final answer
    x = 2,713.48

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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.