Home / 3,164.15-4,746.84-1,216.21

Finding the Fourth Proportional to 3,164.15, 4,746.84 and 1,216.21

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Solution

The fourth proportional to 3,164.15, 4,746.84 and 1,216.21 is: 1,824.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.15 : 4,746.84 = 1,216.21 : x
  2. Step 2: Convert to fraction form
    3,164.15/4,746.84 = 1,216.21/x
  3. Step 3: Cross multiply
    3,164.15x = 4,746.84 × 1,216.21
  4. Step 4: Simplify right side
    3,164.15x = 5,773,154.28
  5. Step 5: Solve for x
    x = 5,773,154.28/3,164.15
  6. Step 6: Final answer
    x = 1,824.55

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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.