Home / 2,948.82-4,043.00-2,896.17

Finding the Fourth Proportional to 2,948.82, 4,043.00 and 2,896.17

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Solution

The fourth proportional to 2,948.82, 4,043.00 and 2,896.17 is: 3,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.82 : 4,043.00 = 2,896.17 : x
  2. Step 2: Convert to fraction form
    2,948.82/4,043.00 = 2,896.17/x
  3. Step 3: Cross multiply
    2,948.82x = 4,043.00 × 2,896.17
  4. Step 4: Simplify right side
    2,948.82x = 11,709,211.69
  5. Step 5: Solve for x
    x = 11,709,211.69/2,948.82
  6. Step 6: Final answer
    x = 3,970.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.