Home / 4,300.00-6,445.28-2,220.16

Finding the Fourth Proportional to 4,300.00, 6,445.28 and 2,220.16

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Solution

The fourth proportional to 4,300.00, 6,445.28 and 2,220.16 is: 3,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.00 : 6,445.28 = 2,220.16 : x
  2. Step 2: Convert to fraction form
    4,300.00/6,445.28 = 2,220.16/x
  3. Step 3: Cross multiply
    4,300.00x = 6,445.28 × 2,220.16
  4. Step 4: Simplify right side
    4,300.00x = 14,309,509.52
  5. Step 5: Solve for x
    x = 14,309,509.52/4,300.00
  6. Step 6: Final answer
    x = 3,327.80

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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.