Home / 5,772.12-7,960.10-3,881.64

Finding the Fourth Proportional to 5,772.12, 7,960.10 and 3,881.64

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Solution

The fourth proportional to 5,772.12, 7,960.10 and 3,881.64 is: 5,353.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,772.12 : 7,960.10 = 3,881.64 : x
  2. Step 2: Convert to fraction form
    5,772.12/7,960.10 = 3,881.64/x
  3. Step 3: Cross multiply
    5,772.12x = 7,960.10 × 3,881.64
  4. Step 4: Simplify right side
    5,772.12x = 30,898,242.56
  5. Step 5: Solve for x
    x = 30,898,242.56/5,772.12
  6. Step 6: Final answer
    x = 5,353.01

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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.