Home / 3,685.39-5,085.86-2,193.01

Finding the Fourth Proportional to 3,685.39, 5,085.86 and 2,193.01

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Solution

The fourth proportional to 3,685.39, 5,085.86 and 2,193.01 is: 3,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.39 : 5,085.86 = 2,193.01 : x
  2. Step 2: Convert to fraction form
    3,685.39/5,085.86 = 2,193.01/x
  3. Step 3: Cross multiply
    3,685.39x = 5,085.86 × 2,193.01
  4. Step 4: Simplify right side
    3,685.39x = 11,153,318.16
  5. Step 5: Solve for x
    x = 11,153,318.16/3,685.39
  6. Step 6: Final answer
    x = 3,026.36

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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.