Home / 2,293.35-3,164.75-1,245.41

Finding the Fourth Proportional to 2,293.35, 3,164.75 and 1,245.41

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Solution

The fourth proportional to 2,293.35, 3,164.75 and 1,245.41 is: 1,718.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.35 : 3,164.75 = 1,245.41 : x
  2. Step 2: Convert to fraction form
    2,293.35/3,164.75 = 1,245.41/x
  3. Step 3: Cross multiply
    2,293.35x = 3,164.75 × 1,245.41
  4. Step 4: Simplify right side
    2,293.35x = 3,941,412.79
  5. Step 5: Solve for x
    x = 3,941,412.79/2,293.35
  6. Step 6: Final answer
    x = 1,718.63

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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.