Home / 4,877.58-7,317.09-1,589.61

Finding the Fourth Proportional to 4,877.58, 7,317.09 and 1,589.61

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Solution

The fourth proportional to 4,877.58, 7,317.09 and 1,589.61 is: 2,384.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.58 : 7,317.09 = 1,589.61 : x
  2. Step 2: Convert to fraction form
    4,877.58/7,317.09 = 1,589.61/x
  3. Step 3: Cross multiply
    4,877.58x = 7,317.09 × 1,589.61
  4. Step 4: Simplify right side
    4,877.58x = 11,631,319.43
  5. Step 5: Solve for x
    x = 11,631,319.43/4,877.58
  6. Step 6: Final answer
    x = 2,384.65

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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.