Home / 4,987.41-6,882.98-2,749.56

Finding the Fourth Proportional to 4,987.41, 6,882.98 and 2,749.56

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Solution

The fourth proportional to 4,987.41, 6,882.98 and 2,749.56 is: 3,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.41 : 6,882.98 = 2,749.56 : x
  2. Step 2: Convert to fraction form
    4,987.41/6,882.98 = 2,749.56/x
  3. Step 3: Cross multiply
    4,987.41x = 6,882.98 × 2,749.56
  4. Step 4: Simplify right side
    4,987.41x = 18,925,152.74
  5. Step 5: Solve for x
    x = 18,925,152.74/4,987.41
  6. Step 6: Final answer
    x = 3,794.59

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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.