Home / 5,820.30-8,732.76-2,122.77

Finding the Fourth Proportional to 5,820.30, 8,732.76 and 2,122.77

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Solution

The fourth proportional to 5,820.30, 8,732.76 and 2,122.77 is: 3,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.30 : 8,732.76 = 2,122.77 : x
  2. Step 2: Convert to fraction form
    5,820.30/8,732.76 = 2,122.77/x
  3. Step 3: Cross multiply
    5,820.30x = 8,732.76 × 2,122.77
  4. Step 4: Simplify right side
    5,820.30x = 18,537,640.95
  5. Step 5: Solve for x
    x = 18,537,640.95/5,820.30
  6. Step 6: Final answer
    x = 3,185.00

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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.