Home / 3,123.99-4,316.94-2,701.17

Finding the Fourth Proportional to 3,123.99, 4,316.94 and 2,701.17

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Solution

The fourth proportional to 3,123.99, 4,316.94 and 2,701.17 is: 3,732.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.99 : 4,316.94 = 2,701.17 : x
  2. Step 2: Convert to fraction form
    3,123.99/4,316.94 = 2,701.17/x
  3. Step 3: Cross multiply
    3,123.99x = 4,316.94 × 2,701.17
  4. Step 4: Simplify right side
    3,123.99x = 11,660,788.82
  5. Step 5: Solve for x
    x = 11,660,788.82/3,123.99
  6. Step 6: Final answer
    x = 3,732.66

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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.