Home / 4,479.13-6,718.85-3,164.50

Finding the Fourth Proportional to 4,479.13, 6,718.85 and 3,164.50

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Solution

The fourth proportional to 4,479.13, 6,718.85 and 3,164.50 is: 4,746.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.13 : 6,718.85 = 3,164.50 : x
  2. Step 2: Convert to fraction form
    4,479.13/6,718.85 = 3,164.50/x
  3. Step 3: Cross multiply
    4,479.13x = 6,718.85 × 3,164.50
  4. Step 4: Simplify right side
    4,479.13x = 21,261,805.27
  5. Step 5: Solve for x
    x = 21,261,805.27/4,479.13
  6. Step 6: Final answer
    x = 4,746.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.