Home / 5,778.12-7,973.85-3,125.58

Finding the Fourth Proportional to 5,778.12, 7,973.85 and 3,125.58

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Solution

The fourth proportional to 5,778.12, 7,973.85 and 3,125.58 is: 4,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.12 : 7,973.85 = 3,125.58 : x
  2. Step 2: Convert to fraction form
    5,778.12/7,973.85 = 3,125.58/x
  3. Step 3: Cross multiply
    5,778.12x = 7,973.85 × 3,125.58
  4. Step 4: Simplify right side
    5,778.12x = 24,922,906.08
  5. Step 5: Solve for x
    x = 24,922,906.08/5,778.12
  6. Step 6: Final answer
    x = 4,313.32

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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.