Home / 3,686.33-5,085.20-2,193.19

Finding the Fourth Proportional to 3,686.33, 5,085.20 and 2,193.19

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Solution

The fourth proportional to 3,686.33, 5,085.20 and 2,193.19 is: 3,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686.33 : 5,085.20 = 2,193.19 : x
  2. Step 2: Convert to fraction form
    3,686.33/5,085.20 = 2,193.19/x
  3. Step 3: Cross multiply
    3,686.33x = 5,085.20 × 2,193.19
  4. Step 4: Simplify right side
    3,686.33x = 11,152,802.56
  5. Step 5: Solve for x
    x = 11,152,802.56/3,686.33
  6. Step 6: Final answer
    x = 3,025.45

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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.