Home / 4,813.10-6,642.12-2,823.70

Finding the Fourth Proportional to 4,813.10, 6,642.12 and 2,823.70

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Solution

The fourth proportional to 4,813.10, 6,642.12 and 2,823.70 is: 3,896.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.10 : 6,642.12 = 2,823.70 : x
  2. Step 2: Convert to fraction form
    4,813.10/6,642.12 = 2,823.70/x
  3. Step 3: Cross multiply
    4,813.10x = 6,642.12 × 2,823.70
  4. Step 4: Simplify right side
    4,813.10x = 18,755,354.24
  5. Step 5: Solve for x
    x = 18,755,354.24/4,813.10
  6. Step 6: Final answer
    x = 3,896.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.