Home / 5,392.72-7,438.26-4,838.68

Finding the Fourth Proportional to 5,392.72, 7,438.26 and 4,838.68

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Solution

The fourth proportional to 5,392.72, 7,438.26 and 4,838.68 is: 6,674.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.72 : 7,438.26 = 4,838.68 : x
  2. Step 2: Convert to fraction form
    5,392.72/7,438.26 = 4,838.68/x
  3. Step 3: Cross multiply
    5,392.72x = 7,438.26 × 4,838.68
  4. Step 4: Simplify right side
    5,392.72x = 35,991,359.90
  5. Step 5: Solve for x
    x = 35,991,359.90/5,392.72
  6. Step 6: Final answer
    x = 6,674.06

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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.