Home / 5,687.74-8,561.79-4,055.58

Finding the Fourth Proportional to 5,687.74, 8,561.79 and 4,055.58

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Solution

The fourth proportional to 5,687.74, 8,561.79 and 4,055.58 is: 6,104.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.74 : 8,561.79 = 4,055.58 : x
  2. Step 2: Convert to fraction form
    5,687.74/8,561.79 = 4,055.58/x
  3. Step 3: Cross multiply
    5,687.74x = 8,561.79 × 4,055.58
  4. Step 4: Simplify right side
    5,687.74x = 34,723,004.01
  5. Step 5: Solve for x
    x = 34,723,004.01/5,687.74
  6. Step 6: Final answer
    x = 6,104.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.