Home / 4,116.33-5,681.37-2,790.46

Finding the Fourth Proportional to 4,116.33, 5,681.37 and 2,790.46

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Solution

The fourth proportional to 4,116.33, 5,681.37 and 2,790.46 is: 3,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.33 : 5,681.37 = 2,790.46 : x
  2. Step 2: Convert to fraction form
    4,116.33/5,681.37 = 2,790.46/x
  3. Step 3: Cross multiply
    4,116.33x = 5,681.37 × 2,790.46
  4. Step 4: Simplify right side
    4,116.33x = 15,853,653.30
  5. Step 5: Solve for x
    x = 15,853,653.30/4,116.33
  6. Step 6: Final answer
    x = 3,851.40

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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.