Home / 5,133.92-7,085.37-2,896.36

Finding the Fourth Proportional to 5,133.92, 7,085.37 and 2,896.36

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Solution

The fourth proportional to 5,133.92, 7,085.37 and 2,896.36 is: 3,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.92 : 7,085.37 = 2,896.36 : x
  2. Step 2: Convert to fraction form
    5,133.92/7,085.37 = 2,896.36/x
  3. Step 3: Cross multiply
    5,133.92x = 7,085.37 × 2,896.36
  4. Step 4: Simplify right side
    5,133.92x = 20,521,775.40
  5. Step 5: Solve for x
    x = 20,521,775.40/5,133.92
  6. Step 6: Final answer
    x = 3,997.30

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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.