Home / 5,448.06-8,172.29-1,749.80

Finding the Fourth Proportional to 5,448.06, 8,172.29 and 1,749.80

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Solution

The fourth proportional to 5,448.06, 8,172.29 and 1,749.80 is: 2,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.06 : 8,172.29 = 1,749.80 : x
  2. Step 2: Convert to fraction form
    5,448.06/8,172.29 = 1,749.80/x
  3. Step 3: Cross multiply
    5,448.06x = 8,172.29 × 1,749.80
  4. Step 4: Simplify right side
    5,448.06x = 14,299,897.85
  5. Step 5: Solve for x
    x = 14,299,897.85/5,448.06
  6. Step 6: Final answer
    x = 2,624.77

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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.