Home / 5,313.07-7,331.26-3,188.17

Finding the Fourth Proportional to 5,313.07, 7,331.26 and 3,188.17

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Solution

The fourth proportional to 5,313.07, 7,331.26 and 3,188.17 is: 4,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.07 : 7,331.26 = 3,188.17 : x
  2. Step 2: Convert to fraction form
    5,313.07/7,331.26 = 3,188.17/x
  3. Step 3: Cross multiply
    5,313.07x = 7,331.26 × 3,188.17
  4. Step 4: Simplify right side
    5,313.07x = 23,373,250.60
  5. Step 5: Solve for x
    x = 23,373,250.60/5,313.07
  6. Step 6: Final answer
    x = 4,399.20

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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.