Home / 3,137.03-4,319.25-2,663.93

Finding the Fourth Proportional to 3,137.03, 4,319.25 and 2,663.93

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Solution

The fourth proportional to 3,137.03, 4,319.25 and 2,663.93 is: 3,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.03 : 4,319.25 = 2,663.93 : x
  2. Step 2: Convert to fraction form
    3,137.03/4,319.25 = 2,663.93/x
  3. Step 3: Cross multiply
    3,137.03x = 4,319.25 × 2,663.93
  4. Step 4: Simplify right side
    3,137.03x = 11,506,179.65
  5. Step 5: Solve for x
    x = 11,506,179.65/3,137.03
  6. Step 6: Final answer
    x = 3,667.86

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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.