Home / 4,749.90-7,112.70-3,510.60

Finding the Fourth Proportional to 4,749.90, 7,112.70 and 3,510.60

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Solution

The fourth proportional to 4,749.90, 7,112.70 and 3,510.60 is: 5,256.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.90 : 7,112.70 = 3,510.60 : x
  2. Step 2: Convert to fraction form
    4,749.90/7,112.70 = 3,510.60/x
  3. Step 3: Cross multiply
    4,749.90x = 7,112.70 × 3,510.60
  4. Step 4: Simplify right side
    4,749.90x = 24,969,844.62
  5. Step 5: Solve for x
    x = 24,969,844.62/4,749.90
  6. Step 6: Final answer
    x = 5,256.92

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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.