Home / 5,236.48-7,865.12-3,132.16

Finding the Fourth Proportional to 5,236.48, 7,865.12 and 3,132.16

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Solution

The fourth proportional to 5,236.48, 7,865.12 and 3,132.16 is: 4,704.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.48 : 7,865.12 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    5,236.48/7,865.12 = 3,132.16/x
  3. Step 3: Cross multiply
    5,236.48x = 7,865.12 × 3,132.16
  4. Step 4: Simplify right side
    5,236.48x = 24,634,814.26
  5. Step 5: Solve for x
    x = 24,634,814.26/5,236.48
  6. Step 6: Final answer
    x = 4,704.46

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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.