Home / 5,359.15-7,392.07-4,238.31

Finding the Fourth Proportional to 5,359.15, 7,392.07 and 4,238.31

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Solution

The fourth proportional to 5,359.15, 7,392.07 and 4,238.31 is: 5,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,359.15 : 7,392.07 = 4,238.31 : x
  2. Step 2: Convert to fraction form
    5,359.15/7,392.07 = 4,238.31/x
  3. Step 3: Cross multiply
    5,359.15x = 7,392.07 × 4,238.31
  4. Step 4: Simplify right side
    5,359.15x = 31,329,884.20
  5. Step 5: Solve for x
    x = 31,329,884.20/5,359.15
  6. Step 6: Final answer
    x = 5,846.05

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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.