Home / 4,087.64-5,640.86-2,295.16

Finding the Fourth Proportional to 4,087.64, 5,640.86 and 2,295.16

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Solution

The fourth proportional to 4,087.64, 5,640.86 and 2,295.16 is: 3,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.64 : 5,640.86 = 2,295.16 : x
  2. Step 2: Convert to fraction form
    4,087.64/5,640.86 = 2,295.16/x
  3. Step 3: Cross multiply
    4,087.64x = 5,640.86 × 2,295.16
  4. Step 4: Simplify right side
    4,087.64x = 12,946,636.56
  5. Step 5: Solve for x
    x = 12,946,636.56/4,087.64
  6. Step 6: Final answer
    x = 3,167.27

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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.