Home / 1,823.58-2,731.25-1,278.19

Finding the Fourth Proportional to 1,823.58, 2,731.25 and 1,278.19

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Solution

The fourth proportional to 1,823.58, 2,731.25 and 1,278.19 is: 1,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.58 : 2,731.25 = 1,278.19 : x
  2. Step 2: Convert to fraction form
    1,823.58/2,731.25 = 1,278.19/x
  3. Step 3: Cross multiply
    1,823.58x = 2,731.25 × 1,278.19
  4. Step 4: Simplify right side
    1,823.58x = 3,491,056.44
  5. Step 5: Solve for x
    x = 3,491,056.44/1,823.58
  6. Step 6: Final answer
    x = 1,914.40

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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.