Home / 4,087.65-5,640.51-2,319.27

Finding the Fourth Proportional to 4,087.65, 5,640.51 and 2,319.27

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Solution

The fourth proportional to 4,087.65, 5,640.51 and 2,319.27 is: 3,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.65 : 5,640.51 = 2,319.27 : x
  2. Step 2: Convert to fraction form
    4,087.65/5,640.51 = 2,319.27/x
  3. Step 3: Cross multiply
    4,087.65x = 5,640.51 × 2,319.27
  4. Step 4: Simplify right side
    4,087.65x = 13,081,865.63
  5. Step 5: Solve for x
    x = 13,081,865.63/4,087.65
  6. Step 6: Final answer
    x = 3,200.34

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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.