Home / 5,249.57-7,238.84-4,720.55

Finding the Fourth Proportional to 5,249.57, 7,238.84 and 4,720.55

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Solution

The fourth proportional to 5,249.57, 7,238.84 and 4,720.55 is: 6,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.57 : 7,238.84 = 4,720.55 : x
  2. Step 2: Convert to fraction form
    5,249.57/7,238.84 = 4,720.55/x
  3. Step 3: Cross multiply
    5,249.57x = 7,238.84 × 4,720.55
  4. Step 4: Simplify right side
    5,249.57x = 34,171,246.37
  5. Step 5: Solve for x
    x = 34,171,246.37/5,249.57
  6. Step 6: Final answer
    x = 6,509.35

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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.