Home / 2,392.25-3,301.23-1,397.64

Finding the Fourth Proportional to 2,392.25, 3,301.23 and 1,397.64

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Solution

The fourth proportional to 2,392.25, 3,301.23 and 1,397.64 is: 1,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.25 : 3,301.23 = 1,397.64 : x
  2. Step 2: Convert to fraction form
    2,392.25/3,301.23 = 1,397.64/x
  3. Step 3: Cross multiply
    2,392.25x = 3,301.23 × 1,397.64
  4. Step 4: Simplify right side
    2,392.25x = 4,613,931.10
  5. Step 5: Solve for x
    x = 4,613,931.10/2,392.25
  6. Step 6: Final answer
    x = 1,928.70

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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.