Home / 2,296.49-3,168.39-1,400.15

Finding the Fourth Proportional to 2,296.49, 3,168.39 and 1,400.15

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Solution

The fourth proportional to 2,296.49, 3,168.39 and 1,400.15 is: 1,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.49 : 3,168.39 = 1,400.15 : x
  2. Step 2: Convert to fraction form
    2,296.49/3,168.39 = 1,400.15/x
  3. Step 3: Cross multiply
    2,296.49x = 3,168.39 × 1,400.15
  4. Step 4: Simplify right side
    2,296.49x = 4,436,205.42
  5. Step 5: Solve for x
    x = 4,436,205.42/2,296.49
  6. Step 6: Final answer
    x = 1,931.74

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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.