Home / 5,261.22-7,892.30-1,513.02

Finding the Fourth Proportional to 5,261.22, 7,892.30 and 1,513.02

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Solution

The fourth proportional to 5,261.22, 7,892.30 and 1,513.02 is: 2,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.22 : 7,892.30 = 1,513.02 : x
  2. Step 2: Convert to fraction form
    5,261.22/7,892.30 = 1,513.02/x
  3. Step 3: Cross multiply
    5,261.22x = 7,892.30 × 1,513.02
  4. Step 4: Simplify right side
    5,261.22x = 11,941,207.75
  5. Step 5: Solve for x
    x = 11,941,207.75/5,261.22
  6. Step 6: Final answer
    x = 2,269.67

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Why These Related Problems?

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