Home / 5,161.88-7,125.12-3,037.34

Finding the Fourth Proportional to 5,161.88, 7,125.12 and 3,037.34

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Solution

The fourth proportional to 5,161.88, 7,125.12 and 3,037.34 is: 4,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.88 : 7,125.12 = 3,037.34 : x
  2. Step 2: Convert to fraction form
    5,161.88/7,125.12 = 3,037.34/x
  3. Step 3: Cross multiply
    5,161.88x = 7,125.12 × 3,037.34
  4. Step 4: Simplify right side
    5,161.88x = 21,641,376.36
  5. Step 5: Solve for x
    x = 21,641,376.36/5,161.88
  6. Step 6: Final answer
    x = 4,192.54

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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.