Home / 5,687.37-8,531.10-1,738.71

Finding the Fourth Proportional to 5,687.37, 8,531.10 and 1,738.71

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Solution

The fourth proportional to 5,687.37, 8,531.10 and 1,738.71 is: 2,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.37 : 8,531.10 = 1,738.71 : x
  2. Step 2: Convert to fraction form
    5,687.37/8,531.10 = 1,738.71/x
  3. Step 3: Cross multiply
    5,687.37x = 8,531.10 × 1,738.71
  4. Step 4: Simplify right side
    5,687.37x = 14,833,108.88
  5. Step 5: Solve for x
    x = 14,833,108.88/5,687.37
  6. Step 6: Final answer
    x = 2,608.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.