Home / 4,749.13-7,126.12-2,117.44

Finding the Fourth Proportional to 4,749.13, 7,126.12 and 2,117.44

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Solution

The fourth proportional to 4,749.13, 7,126.12 and 2,117.44 is: 3,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.13 : 7,126.12 = 2,117.44 : x
  2. Step 2: Convert to fraction form
    4,749.13/7,126.12 = 2,117.44/x
  3. Step 3: Cross multiply
    4,749.13x = 7,126.12 × 2,117.44
  4. Step 4: Simplify right side
    4,749.13x = 15,089,095.90
  5. Step 5: Solve for x
    x = 15,089,095.90/4,749.13
  6. Step 6: Final answer
    x = 3,177.24

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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.