Home / 2,097.90-2,892.11-1,433.70

Finding the Fourth Proportional to 2,097.90, 2,892.11 and 1,433.70

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Solution

The fourth proportional to 2,097.90, 2,892.11 and 1,433.70 is: 1,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097.90 : 2,892.11 = 1,433.70 : x
  2. Step 2: Convert to fraction form
    2,097.90/2,892.11 = 1,433.70/x
  3. Step 3: Cross multiply
    2,097.90x = 2,892.11 × 1,433.70
  4. Step 4: Simplify right side
    2,097.90x = 4,146,410.94
  5. Step 5: Solve for x
    x = 4,146,410.94/2,097.90
  6. Step 6: Final answer
    x = 1,976.46

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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.