Home / 4,931.76-7,403.04-2,745.84

Finding the Fourth Proportional to 4,931.76, 7,403.04 and 2,745.84

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Solution

The fourth proportional to 4,931.76, 7,403.04 and 2,745.84 is: 4,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.76 : 7,403.04 = 2,745.84 : x
  2. Step 2: Convert to fraction form
    4,931.76/7,403.04 = 2,745.84/x
  3. Step 3: Cross multiply
    4,931.76x = 7,403.04 × 2,745.84
  4. Step 4: Simplify right side
    4,931.76x = 20,327,563.35
  5. Step 5: Solve for x
    x = 20,327,563.35/4,931.76
  6. Step 6: Final answer
    x = 4,121.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.