Home / 3,862.63-5,329.18-2,369.80

Finding the Fourth Proportional to 3,862.63, 5,329.18 and 2,369.80

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Solution

The fourth proportional to 3,862.63, 5,329.18 and 2,369.80 is: 3,269.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.63 : 5,329.18 = 2,369.80 : x
  2. Step 2: Convert to fraction form
    3,862.63/5,329.18 = 2,369.80/x
  3. Step 3: Cross multiply
    3,862.63x = 5,329.18 × 2,369.80
  4. Step 4: Simplify right side
    3,862.63x = 12,629,090.76
  5. Step 5: Solve for x
    x = 12,629,090.76/3,862.63
  6. Step 6: Final answer
    x = 3,269.56

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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.