Home / 3,685.42-5,085.09-2,193.05

Finding the Fourth Proportional to 3,685.42, 5,085.09 and 2,193.05

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Solution

The fourth proportional to 3,685.42, 5,085.09 and 2,193.05 is: 3,025.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.42 : 5,085.09 = 2,193.05 : x
  2. Step 2: Convert to fraction form
    3,685.42/5,085.09 = 2,193.05/x
  3. Step 3: Cross multiply
    3,685.42x = 5,085.09 × 2,193.05
  4. Step 4: Simplify right side
    3,685.42x = 11,151,831.20
  5. Step 5: Solve for x
    x = 11,151,831.20/3,685.42
  6. Step 6: Final answer
    x = 3,025.93

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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.