Home / 4,859.84-6,700.45-3,178.59

Finding the Fourth Proportional to 4,859.84, 6,700.45 and 3,178.59

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Solution

The fourth proportional to 4,859.84, 6,700.45 and 3,178.59 is: 4,382.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.84 : 6,700.45 = 3,178.59 : x
  2. Step 2: Convert to fraction form
    4,859.84/6,700.45 = 3,178.59/x
  3. Step 3: Cross multiply
    4,859.84x = 6,700.45 × 3,178.59
  4. Step 4: Simplify right side
    4,859.84x = 21,297,949.86
  5. Step 5: Solve for x
    x = 21,297,949.86/4,859.84
  6. Step 6: Final answer
    x = 4,382.44

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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.