Home / 4,988.77-7,484.54-2,177.85

Finding the Fourth Proportional to 4,988.77, 7,484.54 and 2,177.85

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Solution

The fourth proportional to 4,988.77, 7,484.54 and 2,177.85 is: 3,267.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.77 : 7,484.54 = 2,177.85 : x
  2. Step 2: Convert to fraction form
    4,988.77/7,484.54 = 2,177.85/x
  3. Step 3: Cross multiply
    4,988.77x = 7,484.54 × 2,177.85
  4. Step 4: Simplify right side
    4,988.77x = 16,300,205.44
  5. Step 5: Solve for x
    x = 16,300,205.44/4,988.77
  6. Step 6: Final answer
    x = 3,267.38

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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.