Home / 4,054.29-6,078.45-1,587.84

Finding the Fourth Proportional to 4,054.29, 6,078.45 and 1,587.84

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Solution

The fourth proportional to 4,054.29, 6,078.45 and 1,587.84 is: 2,380.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,054.29 : 6,078.45 = 1,587.84 : x
  2. Step 2: Convert to fraction form
    4,054.29/6,078.45 = 1,587.84/x
  3. Step 3: Cross multiply
    4,054.29x = 6,078.45 × 1,587.84
  4. Step 4: Simplify right side
    4,054.29x = 9,651,606.05
  5. Step 5: Solve for x
    x = 9,651,606.05/4,054.29
  6. Step 6: Final answer
    x = 2,380.59

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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.