Home / 5,768.28-7,960.08-3,216.06

Finding the Fourth Proportional to 5,768.28, 7,960.08 and 3,216.06

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Solution

The fourth proportional to 5,768.28, 7,960.08 and 3,216.06 is: 4,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.28 : 7,960.08 = 3,216.06 : x
  2. Step 2: Convert to fraction form
    5,768.28/7,960.08 = 3,216.06/x
  3. Step 3: Cross multiply
    5,768.28x = 7,960.08 × 3,216.06
  4. Step 4: Simplify right side
    5,768.28x = 25,600,094.88
  5. Step 5: Solve for x
    x = 25,600,094.88/5,768.28
  6. Step 6: Final answer
    x = 4,438.08

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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.