Home / 5,043.74-6,960.16-2,805.54

Finding the Fourth Proportional to 5,043.74, 6,960.16 and 2,805.54

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Solution

The fourth proportional to 5,043.74, 6,960.16 and 2,805.54 is: 3,871.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.74 : 6,960.16 = 2,805.54 : x
  2. Step 2: Convert to fraction form
    5,043.74/6,960.16 = 2,805.54/x
  3. Step 3: Cross multiply
    5,043.74x = 6,960.16 × 2,805.54
  4. Step 4: Simplify right side
    5,043.74x = 19,526,984.69
  5. Step 5: Solve for x
    x = 19,526,984.69/5,043.74
  6. Step 6: Final answer
    x = 3,871.53

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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.