Home / 2,625.09-3,920.78-2,377.77

Finding the Fourth Proportional to 2,625.09, 3,920.78 and 2,377.77

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Solution

The fourth proportional to 2,625.09, 3,920.78 and 2,377.77 is: 3,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.09 : 3,920.78 = 2,377.77 : x
  2. Step 2: Convert to fraction form
    2,625.09/3,920.78 = 2,377.77/x
  3. Step 3: Cross multiply
    2,625.09x = 3,920.78 × 2,377.77
  4. Step 4: Simplify right side
    2,625.09x = 9,322,701.17
  5. Step 5: Solve for x
    x = 9,322,701.17/2,625.09
  6. Step 6: Final answer
    x = 3,551.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.