Home / 5,813.61-8,718.96-2,255.03

Finding the Fourth Proportional to 5,813.61, 8,718.96 and 2,255.03

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Solution

The fourth proportional to 5,813.61, 8,718.96 and 2,255.03 is: 3,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.61 : 8,718.96 = 2,255.03 : x
  2. Step 2: Convert to fraction form
    5,813.61/8,718.96 = 2,255.03/x
  3. Step 3: Cross multiply
    5,813.61x = 8,718.96 × 2,255.03
  4. Step 4: Simplify right side
    5,813.61x = 19,661,472.77
  5. Step 5: Solve for x
    x = 19,661,472.77/5,813.61
  6. Step 6: Final answer
    x = 3,381.97

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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.