Home / 3,167.76-4,771.56-2,973.36

Finding the Fourth Proportional to 3,167.76, 4,771.56 and 2,973.36

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Solution

The fourth proportional to 3,167.76, 4,771.56 and 2,973.36 is: 4,478.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.76 : 4,771.56 = 2,973.36 : x
  2. Step 2: Convert to fraction form
    3,167.76/4,771.56 = 2,973.36/x
  3. Step 3: Cross multiply
    3,167.76x = 4,771.56 × 2,973.36
  4. Step 4: Simplify right side
    3,167.76x = 14,187,565.64
  5. Step 5: Solve for x
    x = 14,187,565.64/3,167.76
  6. Step 6: Final answer
    x = 4,478.74

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.