Home / 2,293.39-3,439.21-976.31

Finding the Fourth Proportional to 2,293.39, 3,439.21 and 976.31

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Solution

The fourth proportional to 2,293.39, 3,439.21 and 976.31 is: 1,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.39 : 3,439.21 = 976.31 : x
  2. Step 2: Convert to fraction form
    2,293.39/3,439.21 = 976.31/x
  3. Step 3: Cross multiply
    2,293.39x = 3,439.21 × 976.31
  4. Step 4: Simplify right side
    2,293.39x = 3,357,721.64
  5. Step 5: Solve for x
    x = 3,357,721.64/2,293.39
  6. Step 6: Final answer
    x = 1,464.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.