Home / 5,230.37-7,221.72-3,242.63

Finding the Fourth Proportional to 5,230.37, 7,221.72 and 3,242.63

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Solution

The fourth proportional to 5,230.37, 7,221.72 and 3,242.63 is: 4,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.37 : 7,221.72 = 3,242.63 : x
  2. Step 2: Convert to fraction form
    5,230.37/7,221.72 = 3,242.63/x
  3. Step 3: Cross multiply
    5,230.37x = 7,221.72 × 3,242.63
  4. Step 4: Simplify right side
    5,230.37x = 23,417,365.92
  5. Step 5: Solve for x
    x = 23,417,365.92/5,230.37
  6. Step 6: Final answer
    x = 4,477.19

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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.