Home / 4,988.98-7,480.84-2,214.44

Finding the Fourth Proportional to 4,988.98, 7,480.84 and 2,214.44

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Solution

The fourth proportional to 4,988.98, 7,480.84 and 2,214.44 is: 3,320.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.98 : 7,480.84 = 2,214.44 : x
  2. Step 2: Convert to fraction form
    4,988.98/7,480.84 = 2,214.44/x
  3. Step 3: Cross multiply
    4,988.98x = 7,480.84 × 2,214.44
  4. Step 4: Simplify right side
    4,988.98x = 16,565,871.33
  5. Step 5: Solve for x
    x = 16,565,871.33/4,988.98
  6. Step 6: Final answer
    x = 3,320.49

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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.