Home / 5,113.10-7,670.74-2,773.02

Finding the Fourth Proportional to 5,113.10, 7,670.74 and 2,773.02

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Solution

The fourth proportional to 5,113.10, 7,670.74 and 2,773.02 is: 4,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.10 : 7,670.74 = 2,773.02 : x
  2. Step 2: Convert to fraction form
    5,113.10/7,670.74 = 2,773.02/x
  3. Step 3: Cross multiply
    5,113.10x = 7,670.74 × 2,773.02
  4. Step 4: Simplify right side
    5,113.10x = 21,271,115.43
  5. Step 5: Solve for x
    x = 21,271,115.43/5,113.10
  6. Step 6: Final answer
    x = 4,160.12

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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.