Home / 4,116.72-5,680.64-2,253.68

Finding the Fourth Proportional to 4,116.72, 5,680.64 and 2,253.68

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Solution

The fourth proportional to 4,116.72, 5,680.64 and 2,253.68 is: 3,109.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.72 : 5,680.64 = 2,253.68 : x
  2. Step 2: Convert to fraction form
    4,116.72/5,680.64 = 2,253.68/x
  3. Step 3: Cross multiply
    4,116.72x = 5,680.64 × 2,253.68
  4. Step 4: Simplify right side
    4,116.72x = 12,802,344.76
  5. Step 5: Solve for x
    x = 12,802,344.76/4,116.72
  6. Step 6: Final answer
    x = 3,109.84

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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.