Home / 5,342.85-7,375.17-4,782.32

Finding the Fourth Proportional to 5,342.85, 7,375.17 and 4,782.32

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Solution

The fourth proportional to 5,342.85, 7,375.17 and 4,782.32 is: 6,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.85 : 7,375.17 = 4,782.32 : x
  2. Step 2: Convert to fraction form
    5,342.85/7,375.17 = 4,782.32/x
  3. Step 3: Cross multiply
    5,342.85x = 7,375.17 × 4,782.32
  4. Step 4: Simplify right side
    5,342.85x = 35,270,422.99
  5. Step 5: Solve for x
    x = 35,270,422.99/5,342.85
  6. Step 6: Final answer
    x = 6,601.42

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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.