Home / 4,633.29-6,394.78-2,955.21

Finding the Fourth Proportional to 4,633.29, 6,394.78 and 2,955.21

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Solution

The fourth proportional to 4,633.29, 6,394.78 and 2,955.21 is: 4,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,633.29 : 6,394.78 = 2,955.21 : x
  2. Step 2: Convert to fraction form
    4,633.29/6,394.78 = 2,955.21/x
  3. Step 3: Cross multiply
    4,633.29x = 6,394.78 × 2,955.21
  4. Step 4: Simplify right side
    4,633.29x = 18,897,897.52
  5. Step 5: Solve for x
    x = 18,897,897.52/4,633.29
  6. Step 6: Final answer
    x = 4,078.72

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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.