Home / 4,761.08-7,140.78-1,836.98

Finding the Fourth Proportional to 4,761.08, 7,140.78 and 1,836.98

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Solution

The fourth proportional to 4,761.08, 7,140.78 and 1,836.98 is: 2,755.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.08 : 7,140.78 = 1,836.98 : x
  2. Step 2: Convert to fraction form
    4,761.08/7,140.78 = 1,836.98/x
  3. Step 3: Cross multiply
    4,761.08x = 7,140.78 × 1,836.98
  4. Step 4: Simplify right side
    4,761.08x = 13,117,434.34
  5. Step 5: Solve for x
    x = 13,117,434.34/4,761.08
  6. Step 6: Final answer
    x = 2,755.14

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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.