Home / 5,862.36-8,090.08-3,209.78

Finding the Fourth Proportional to 5,862.36, 8,090.08 and 3,209.78

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Solution

The fourth proportional to 5,862.36, 8,090.08 and 3,209.78 is: 4,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.36 : 8,090.08 = 3,209.78 : x
  2. Step 2: Convert to fraction form
    5,862.36/8,090.08 = 3,209.78/x
  3. Step 3: Cross multiply
    5,862.36x = 8,090.08 × 3,209.78
  4. Step 4: Simplify right side
    5,862.36x = 25,967,376.98
  5. Step 5: Solve for x
    x = 25,967,376.98/5,862.36
  6. Step 6: Final answer
    x = 4,429.51

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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.