Home / 5,271.49-7,890.82-3,319.59

Finding the Fourth Proportional to 5,271.49, 7,890.82 and 3,319.59

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Solution

The fourth proportional to 5,271.49, 7,890.82 and 3,319.59 is: 4,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.49 : 7,890.82 = 3,319.59 : x
  2. Step 2: Convert to fraction form
    5,271.49/7,890.82 = 3,319.59/x
  3. Step 3: Cross multiply
    5,271.49x = 7,890.82 × 3,319.59
  4. Step 4: Simplify right side
    5,271.49x = 26,194,247.71
  5. Step 5: Solve for x
    x = 26,194,247.71/5,271.49
  6. Step 6: Final answer
    x = 4,969.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.