Home / 4,820.32-7,226.76-2,220.16

Finding the Fourth Proportional to 4,820.32, 7,226.76 and 2,220.16

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Solution

The fourth proportional to 4,820.32, 7,226.76 and 2,220.16 is: 3,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.32 : 7,226.76 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    4,820.32/7,226.76 = 2,220.16/x
  3. Step 3: Cross multiply
    4,820.32x = 7,226.76 × 2,220.16
  4. Step 4: Simplify right side
    4,820.32x = 16,044,563.48
  5. Step 5: Solve for x
    x = 16,044,563.48/4,820.32
  6. Step 6: Final answer
    x = 3,328.53

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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.