Home / 5,768.54-7,960.58-3,115.95

Finding the Fourth Proportional to 5,768.54, 7,960.58 and 3,115.95

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Solution

The fourth proportional to 5,768.54, 7,960.58 and 3,115.95 is: 4,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.54 : 7,960.58 = 3,115.95 : x
  2. Step 2: Convert to fraction form
    5,768.54/7,960.58 = 3,115.95/x
  3. Step 3: Cross multiply
    5,768.54x = 7,960.58 × 3,115.95
  4. Step 4: Simplify right side
    5,768.54x = 24,804,729.45
  5. Step 5: Solve for x
    x = 24,804,729.45/5,768.54
  6. Step 6: Final answer
    x = 4,300.01

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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.