Home / 5,375.86-8,061.74-2,088.19

Finding the Fourth Proportional to 5,375.86, 8,061.74 and 2,088.19

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Solution

The fourth proportional to 5,375.86, 8,061.74 and 2,088.19 is: 3,131.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.86 : 8,061.74 = 2,088.19 : x
  2. Step 2: Convert to fraction form
    5,375.86/8,061.74 = 2,088.19/x
  3. Step 3: Cross multiply
    5,375.86x = 8,061.74 × 2,088.19
  4. Step 4: Simplify right side
    5,375.86x = 16,834,429.92
  5. Step 5: Solve for x
    x = 16,834,429.92/5,375.86
  6. Step 6: Final answer
    x = 3,131.49

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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.