Home / 2,977.41-4,108.82-1,651.08

Finding the Fourth Proportional to 2,977.41, 4,108.82 and 1,651.08

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Solution

The fourth proportional to 2,977.41, 4,108.82 and 1,651.08 is: 2,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.41 : 4,108.82 = 1,651.08 : x
  2. Step 2: Convert to fraction form
    2,977.41/4,108.82 = 1,651.08/x
  3. Step 3: Cross multiply
    2,977.41x = 4,108.82 × 1,651.08
  4. Step 4: Simplify right side
    2,977.41x = 6,783,990.53
  5. Step 5: Solve for x
    x = 6,783,990.53/2,977.41
  6. Step 6: Final answer
    x = 2,278.49

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1.5x scale

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.