Home / 5,313.75-7,332.74-3,190.55

Finding the Fourth Proportional to 5,313.75, 7,332.74 and 3,190.55

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Solution

The fourth proportional to 5,313.75, 7,332.74 and 3,190.55 is: 4,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.75 : 7,332.74 = 3,190.55 : x
  2. Step 2: Convert to fraction form
    5,313.75/7,332.74 = 3,190.55/x
  3. Step 3: Cross multiply
    5,313.75x = 7,332.74 × 3,190.55
  4. Step 4: Simplify right side
    5,313.75x = 23,395,420.99
  5. Step 5: Solve for x
    x = 23,395,420.99/5,313.75
  6. Step 6: Final answer
    x = 4,402.81

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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.