Home / 4,203.92-6,319.86-2,980.10

Finding the Fourth Proportional to 4,203.92, 6,319.86 and 2,980.10

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Solution

The fourth proportional to 4,203.92, 6,319.86 and 2,980.10 is: 4,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.92 : 6,319.86 = 2,980.10 : x
  2. Step 2: Convert to fraction form
    4,203.92/6,319.86 = 2,980.10/x
  3. Step 3: Cross multiply
    4,203.92x = 6,319.86 × 2,980.10
  4. Step 4: Simplify right side
    4,203.92x = 18,833,814.79
  5. Step 5: Solve for x
    x = 18,833,814.79/4,203.92
  6. Step 6: Final answer
    x = 4,480.06

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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.