Home / 5,795.64-7,998-3,143.08

Finding the Fourth Proportional to 5,795.64, 7,998 and 3,143.08

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Solution

The fourth proportional to 5,795.64, 7,998 and 3,143.08 is: 4,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,795.64 : 7,998 = 3,143.08 : x
  2. Step 2: Convert to fraction form
    5,795.64/7,998 = 3,143.08/x
  3. Step 3: Cross multiply
    5,795.64x = 7,998 × 3,143.08
  4. Step 4: Simplify right side
    5,795.64x = 25,138,353.84
  5. Step 5: Solve for x
    x = 25,138,353.84/5,795.64
  6. Step 6: Final answer
    x = 4,337.46

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Why These Related Problems?

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