Home / 7,952.16-10,975.92-5,439.60

Finding the Fourth Proportional to 7,952.16, 10,975.92 and 5,439.60

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Solution

The fourth proportional to 7,952.16, 10,975.92 and 5,439.60 is: 7,507.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,952.16 : 10,975.92 = 5,439.60 : x
  2. Step 2: Convert to fraction form
    7,952.16/10,975.92 = 5,439.60/x
  3. Step 3: Cross multiply
    7,952.16x = 10,975.92 × 5,439.60
  4. Step 4: Simplify right side
    7,952.16x = 59,704,614.43
  5. Step 5: Solve for x
    x = 59,704,614.43/7,952.16
  6. Step 6: Final answer
    x = 7,507.97

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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.