Home / 4,987.77-7,483.04-2,176.85

Finding the Fourth Proportional to 4,987.77, 7,483.04 and 2,176.85

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Solution

The fourth proportional to 4,987.77, 7,483.04 and 2,176.85 is: 3,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.77 : 7,483.04 = 2,176.85 : x
  2. Step 2: Convert to fraction form
    4,987.77/7,483.04 = 2,176.85/x
  3. Step 3: Cross multiply
    4,987.77x = 7,483.04 × 2,176.85
  4. Step 4: Simplify right side
    4,987.77x = 16,289,407.32
  5. Step 5: Solve for x
    x = 16,289,407.32/4,987.77
  6. Step 6: Final answer
    x = 3,265.87

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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.