Home / 1,548.63-2,317.89-1,137.66

Finding the Fourth Proportional to 1,548.63, 2,317.89 and 1,137.66

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Solution

The fourth proportional to 1,548.63, 2,317.89 and 1,137.66 is: 1,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.63 : 2,317.89 = 1,137.66 : x
  2. Step 2: Convert to fraction form
    1,548.63/2,317.89 = 1,137.66/x
  3. Step 3: Cross multiply
    1,548.63x = 2,317.89 × 1,137.66
  4. Step 4: Simplify right side
    1,548.63x = 2,636,970.74
  5. Step 5: Solve for x
    x = 2,636,970.74/1,548.63
  6. Step 6: Final answer
    x = 1,702.78

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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.