Home / 2,877.15-4,316.82-1,028.19

Finding the Fourth Proportional to 2,877.15, 4,316.82 and 1,028.19

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Solution

The fourth proportional to 2,877.15, 4,316.82 and 1,028.19 is: 1,542.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.15 : 4,316.82 = 1,028.19 : x
  2. Step 2: Convert to fraction form
    2,877.15/4,316.82 = 1,028.19/x
  3. Step 3: Cross multiply
    2,877.15x = 4,316.82 × 1,028.19
  4. Step 4: Simplify right side
    2,877.15x = 4,438,511.16
  5. Step 5: Solve for x
    x = 4,438,511.16/2,877.15
  6. Step 6: Final answer
    x = 1,542.68

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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.