Home / 2,626.84-3,625.05-1,578.92

Finding the Fourth Proportional to 2,626.84, 3,625.05 and 1,578.92

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Solution

The fourth proportional to 2,626.84, 3,625.05 and 1,578.92 is: 2,178.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.84 : 3,625.05 = 1,578.92 : x
  2. Step 2: Convert to fraction form
    2,626.84/3,625.05 = 1,578.92/x
  3. Step 3: Cross multiply
    2,626.84x = 3,625.05 × 1,578.92
  4. Step 4: Simplify right side
    2,626.84x = 5,723,663.95
  5. Step 5: Solve for x
    x = 5,723,663.95/2,626.84
  6. Step 6: Final answer
    x = 2,178.92

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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.