Home / 4,155.17-6,235.45-2,208.74

Finding the Fourth Proportional to 4,155.17, 6,235.45 and 2,208.74

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Solution

The fourth proportional to 4,155.17, 6,235.45 and 2,208.74 is: 3,314.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.17 : 6,235.45 = 2,208.74 : x
  2. Step 2: Convert to fraction form
    4,155.17/6,235.45 = 2,208.74/x
  3. Step 3: Cross multiply
    4,155.17x = 6,235.45 × 2,208.74
  4. Step 4: Simplify right side
    4,155.17x = 13,772,475.01
  5. Step 5: Solve for x
    x = 13,772,475.01/4,155.17
  6. Step 6: Final answer
    x = 3,314.54

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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.