Home / 2,497.33-3,446.27-1,378.20

Finding the Fourth Proportional to 2,497.33, 3,446.27 and 1,378.20

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Solution

The fourth proportional to 2,497.33, 3,446.27 and 1,378.20 is: 1,901.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,497.33 : 3,446.27 = 1,378.20 : x
  2. Step 2: Convert to fraction form
    2,497.33/3,446.27 = 1,378.20/x
  3. Step 3: Cross multiply
    2,497.33x = 3,446.27 × 1,378.20
  4. Step 4: Simplify right side
    2,497.33x = 4,749,642.42
  5. Step 5: Solve for x
    x = 4,749,642.42/2,497.33
  6. Step 6: Final answer
    x = 1,901.89

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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.