Home / 3,957.75-5,462.91-2,387.16

Finding the Fourth Proportional to 3,957.75, 5,462.91 and 2,387.16

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Solution

The fourth proportional to 3,957.75, 5,462.91 and 2,387.16 is: 3,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,957.75 : 5,462.91 = 2,387.16 : x
  2. Step 2: Convert to fraction form
    3,957.75/5,462.91 = 2,387.16/x
  3. Step 3: Cross multiply
    3,957.75x = 5,462.91 × 2,387.16
  4. Step 4: Simplify right side
    3,957.75x = 13,040,840.24
  5. Step 5: Solve for x
    x = 13,040,840.24/3,957.75
  6. Step 6: Final answer
    x = 3,295.01

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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.