Home / 2,918.11-4,020.15-2,032.33

Finding the Fourth Proportional to 2,918.11, 4,020.15 and 2,032.33

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Solution

The fourth proportional to 2,918.11, 4,020.15 and 2,032.33 is: 2,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.11 : 4,020.15 = 2,032.33 : x
  2. Step 2: Convert to fraction form
    2,918.11/4,020.15 = 2,032.33/x
  3. Step 3: Cross multiply
    2,918.11x = 4,020.15 × 2,032.33
  4. Step 4: Simplify right side
    2,918.11x = 8,170,271.45
  5. Step 5: Solve for x
    x = 8,170,271.45/2,918.11
  6. Step 6: Final answer
    x = 2,799.85

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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.