Home / 4,179.45-5,767.64-2,316.45

Finding the Fourth Proportional to 4,179.45, 5,767.64 and 2,316.45

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Solution

The fourth proportional to 4,179.45, 5,767.64 and 2,316.45 is: 3,196.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.45 : 5,767.64 = 2,316.45 : x
  2. Step 2: Convert to fraction form
    4,179.45/5,767.64 = 2,316.45/x
  3. Step 3: Cross multiply
    4,179.45x = 5,767.64 × 2,316.45
  4. Step 4: Simplify right side
    4,179.45x = 13,360,449.68
  5. Step 5: Solve for x
    x = 13,360,449.68/4,179.45
  6. Step 6: Final answer
    x = 3,196.70

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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.