Home / 5,236.20-7,846.40-4,742.28

Finding the Fourth Proportional to 5,236.20, 7,846.40 and 4,742.28

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Solution

The fourth proportional to 5,236.20, 7,846.40 and 4,742.28 is: 7,106.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.20 : 7,846.40 = 4,742.28 : x
  2. Step 2: Convert to fraction form
    5,236.20/7,846.40 = 4,742.28/x
  3. Step 3: Cross multiply
    5,236.20x = 7,846.40 × 4,742.28
  4. Step 4: Simplify right side
    5,236.20x = 37,209,825.79
  5. Step 5: Solve for x
    x = 37,209,825.79/5,236.20
  6. Step 6: Final answer
    x = 7,106.27

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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.