Home / 4,987.33-6,882.40-2,749.16

Finding the Fourth Proportional to 4,987.33, 6,882.40 and 2,749.16

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Solution

The fourth proportional to 4,987.33, 6,882.40 and 2,749.16 is: 3,793.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.33 : 6,882.40 = 2,749.16 : x
  2. Step 2: Convert to fraction form
    4,987.33/6,882.40 = 2,749.16/x
  3. Step 3: Cross multiply
    4,987.33x = 6,882.40 × 2,749.16
  4. Step 4: Simplify right side
    4,987.33x = 18,920,800.71
  5. Step 5: Solve for x
    x = 18,920,800.71/4,987.33
  6. Step 6: Final answer
    x = 3,793.77

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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.