Home / 2,977.29-4,108.80-1,651.02

Finding the Fourth Proportional to 2,977.29, 4,108.80 and 1,651.02

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Solution

The fourth proportional to 2,977.29, 4,108.80 and 1,651.02 is: 2,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.29 : 4,108.80 = 1,651.02 : x
  2. Step 2: Convert to fraction form
    2,977.29/4,108.80 = 1,651.02/x
  3. Step 3: Cross multiply
    2,977.29x = 4,108.80 × 1,651.02
  4. Step 4: Simplify right side
    2,977.29x = 6,783,702.72
  5. Step 5: Solve for x
    x = 6,783,702.72/2,977.29
  6. Step 6: Final answer
    x = 2,278.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.