Home / 2,388.08-3,295.86-1,340.48

Finding the Fourth Proportional to 2,388.08, 3,295.86 and 1,340.48

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Solution

The fourth proportional to 2,388.08, 3,295.86 and 1,340.48 is: 1,850.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388.08 : 3,295.86 = 1,340.48 : x
  2. Step 2: Convert to fraction form
    2,388.08/3,295.86 = 1,340.48/x
  3. Step 3: Cross multiply
    2,388.08x = 3,295.86 × 1,340.48
  4. Step 4: Simplify right side
    2,388.08x = 4,418,034.41
  5. Step 5: Solve for x
    x = 4,418,034.41/2,388.08
  6. Step 6: Final answer
    x = 1,850.04

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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.