Home / 3,854.01-5,317.77-2,282.21

Finding the Fourth Proportional to 3,854.01, 5,317.77 and 2,282.21

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Solution

The fourth proportional to 3,854.01, 5,317.77 and 2,282.21 is: 3,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.01 : 5,317.77 = 2,282.21 : x
  2. Step 2: Convert to fraction form
    3,854.01/5,317.77 = 2,282.21/x
  3. Step 3: Cross multiply
    3,854.01x = 5,317.77 × 2,282.21
  4. Step 4: Simplify right side
    3,854.01x = 12,136,267.87
  5. Step 5: Solve for x
    x = 12,136,267.87/3,854.01
  6. Step 6: Final answer
    x = 3,149.00

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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.