Home / 4,585.21-6,878.27-1,663.74

Finding the Fourth Proportional to 4,585.21, 6,878.27 and 1,663.74

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Solution

The fourth proportional to 4,585.21, 6,878.27 and 1,663.74 is: 2,495.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.21 : 6,878.27 = 1,663.74 : x
  2. Step 2: Convert to fraction form
    4,585.21/6,878.27 = 1,663.74/x
  3. Step 3: Cross multiply
    4,585.21x = 6,878.27 × 1,663.74
  4. Step 4: Simplify right side
    4,585.21x = 11,443,692.45
  5. Step 5: Solve for x
    x = 11,443,692.45/4,585.21
  6. Step 6: Final answer
    x = 2,495.78

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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.