Home / 4,087.43-5,639.98-2,574.75

Finding the Fourth Proportional to 4,087.43, 5,639.98 and 2,574.75

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Solution

The fourth proportional to 4,087.43, 5,639.98 and 2,574.75 is: 3,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.43 : 5,639.98 = 2,574.75 : x
  2. Step 2: Convert to fraction form
    4,087.43/5,639.98 = 2,574.75/x
  3. Step 3: Cross multiply
    4,087.43x = 5,639.98 × 2,574.75
  4. Step 4: Simplify right side
    4,087.43x = 14,521,558.05
  5. Step 5: Solve for x
    x = 14,521,558.05/4,087.43
  6. Step 6: Final answer
    x = 3,552.74

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Half scale
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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.