Home / 5,748.09-8,628.21-2,828.45

Finding the Fourth Proportional to 5,748.09, 8,628.21 and 2,828.45

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Solution

The fourth proportional to 5,748.09, 8,628.21 and 2,828.45 is: 4,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.09 : 8,628.21 = 2,828.45 : x
  2. Step 2: Convert to fraction form
    5,748.09/8,628.21 = 2,828.45/x
  3. Step 3: Cross multiply
    5,748.09x = 8,628.21 × 2,828.45
  4. Step 4: Simplify right side
    5,748.09x = 24,404,417.43
  5. Step 5: Solve for x
    x = 24,404,417.43/5,748.09
  6. Step 6: Final answer
    x = 4,245.66

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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.