Home / 5,143.13-7,097.42-3,374.63

Finding the Fourth Proportional to 5,143.13, 7,097.42 and 3,374.63

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Solution

The fourth proportional to 5,143.13, 7,097.42 and 3,374.63 is: 4,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.13 : 7,097.42 = 3,374.63 : x
  2. Step 2: Convert to fraction form
    5,143.13/7,097.42 = 3,374.63/x
  3. Step 3: Cross multiply
    5,143.13x = 7,097.42 × 3,374.63
  4. Step 4: Simplify right side
    5,143.13x = 23,951,166.45
  5. Step 5: Solve for x
    x = 23,951,166.45/5,143.13
  6. Step 6: Final answer
    x = 4,656.92

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1.5x scale

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.