Home / 4,080.94-5,632.08-2,288.72

Finding the Fourth Proportional to 4,080.94, 5,632.08 and 2,288.72

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Solution

The fourth proportional to 4,080.94, 5,632.08 and 2,288.72 is: 3,158.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.94 : 5,632.08 = 2,288.72 : x
  2. Step 2: Convert to fraction form
    4,080.94/5,632.08 = 2,288.72/x
  3. Step 3: Cross multiply
    4,080.94x = 5,632.08 × 2,288.72
  4. Step 4: Simplify right side
    4,080.94x = 12,890,254.14
  5. Step 5: Solve for x
    x = 12,890,254.14/4,080.94
  6. Step 6: Final answer
    x = 3,158.65

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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.