Home / 5,042.79-7,563.49-1,345.32

Finding the Fourth Proportional to 5,042.79, 7,563.49 and 1,345.32

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Solution

The fourth proportional to 5,042.79, 7,563.49 and 1,345.32 is: 2,017.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.79 : 7,563.49 = 1,345.32 : x
  2. Step 2: Convert to fraction form
    5,042.79/7,563.49 = 1,345.32/x
  3. Step 3: Cross multiply
    5,042.79x = 7,563.49 × 1,345.32
  4. Step 4: Simplify right side
    5,042.79x = 10,175,311.00
  5. Step 5: Solve for x
    x = 10,175,311.00/5,042.79
  6. Step 6: Final answer
    x = 2,017.79

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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.