Home / 2,376.25-3,281.97-1,815.48

Finding the Fourth Proportional to 2,376.25, 3,281.97 and 1,815.48

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Solution

The fourth proportional to 2,376.25, 3,281.97 and 1,815.48 is: 2,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.25 : 3,281.97 = 1,815.48 : x
  2. Step 2: Convert to fraction form
    2,376.25/3,281.97 = 1,815.48/x
  3. Step 3: Cross multiply
    2,376.25x = 3,281.97 × 1,815.48
  4. Step 4: Simplify right side
    2,376.25x = 5,958,347.49
  5. Step 5: Solve for x
    x = 5,958,347.49/2,376.25
  6. Step 6: Final answer
    x = 2,507.45

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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.