Home / 4,878.35-7,317.52-1,180.58

Finding the Fourth Proportional to 4,878.35, 7,317.52 and 1,180.58

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Solution

The fourth proportional to 4,878.35, 7,317.52 and 1,180.58 is: 1,770.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.35 : 7,317.52 = 1,180.58 : x
  2. Step 2: Convert to fraction form
    4,878.35/7,317.52 = 1,180.58/x
  3. Step 3: Cross multiply
    4,878.35x = 7,317.52 × 1,180.58
  4. Step 4: Simplify right side
    4,878.35x = 8,638,881.99
  5. Step 5: Solve for x
    x = 8,638,881.99/4,878.35
  6. Step 6: Final answer
    x = 1,770.86

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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.