Home / 5,125.42-7,073.04-2,887.33

Finding the Fourth Proportional to 5,125.42, 7,073.04 and 2,887.33

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Solution

The fourth proportional to 5,125.42, 7,073.04 and 2,887.33 is: 3,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.42 : 7,073.04 = 2,887.33 : x
  2. Step 2: Convert to fraction form
    5,125.42/7,073.04 = 2,887.33/x
  3. Step 3: Cross multiply
    5,125.42x = 7,073.04 × 2,887.33
  4. Step 4: Simplify right side
    5,125.42x = 20,422,200.58
  5. Step 5: Solve for x
    x = 20,422,200.58/5,125.42
  6. Step 6: Final answer
    x = 3,984.49

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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.