Home / 5,192.74-7,749.36-4,638.70

Finding the Fourth Proportional to 5,192.74, 7,749.36 and 4,638.70

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Solution

The fourth proportional to 5,192.74, 7,749.36 and 4,638.70 is: 6,922.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.74 : 7,749.36 = 4,638.70 : x
  2. Step 2: Convert to fraction form
    5,192.74/7,749.36 = 4,638.70/x
  3. Step 3: Cross multiply
    5,192.74x = 7,749.36 × 4,638.70
  4. Step 4: Simplify right side
    5,192.74x = 35,946,917.49
  5. Step 5: Solve for x
    x = 35,946,917.49/5,192.74
  6. Step 6: Final answer
    x = 6,922.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.