Home / 4,159.63-6,239.72-1,237.69

Finding the Fourth Proportional to 4,159.63, 6,239.72 and 1,237.69

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Solution

The fourth proportional to 4,159.63, 6,239.72 and 1,237.69 is: 1,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.63 : 6,239.72 = 1,237.69 : x
  2. Step 2: Convert to fraction form
    4,159.63/6,239.72 = 1,237.69/x
  3. Step 3: Cross multiply
    4,159.63x = 6,239.72 × 1,237.69
  4. Step 4: Simplify right side
    4,159.63x = 7,722,832.86
  5. Step 5: Solve for x
    x = 7,722,832.86/4,159.63
  6. Step 6: Final answer
    x = 1,856.62

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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.