Home / 5,486.16-7,571.34-3,390.96

Finding the Fourth Proportional to 5,486.16, 7,571.34 and 3,390.96

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Solution

The fourth proportional to 5,486.16, 7,571.34 and 3,390.96 is: 4,679.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.16 : 7,571.34 = 3,390.96 : x
  2. Step 2: Convert to fraction form
    5,486.16/7,571.34 = 3,390.96/x
  3. Step 3: Cross multiply
    5,486.16x = 7,571.34 × 3,390.96
  4. Step 4: Simplify right side
    5,486.16x = 25,674,111.09
  5. Step 5: Solve for x
    x = 25,674,111.09/5,486.16
  6. Step 6: Final answer
    x = 4,679.80

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.