Home / 2,193.04-3,025.14-1,406.20

Finding the Fourth Proportional to 2,193.04, 3,025.14 and 1,406.20

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Solution

The fourth proportional to 2,193.04, 3,025.14 and 1,406.20 is: 1,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.04 : 3,025.14 = 1,406.20 : x
  2. Step 2: Convert to fraction form
    2,193.04/3,025.14 = 1,406.20/x
  3. Step 3: Cross multiply
    2,193.04x = 3,025.14 × 1,406.20
  4. Step 4: Simplify right side
    2,193.04x = 4,253,951.87
  5. Step 5: Solve for x
    x = 4,253,951.87/2,193.04
  6. Step 6: Final answer
    x = 1,939.75

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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.