Home / 7,031.79-9,704.84-4,236.75

Finding the Fourth Proportional to 7,031.79, 9,704.84 and 4,236.75

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Solution

The fourth proportional to 7,031.79, 9,704.84 and 4,236.75 is: 5,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.79 : 9,704.84 = 4,236.75 : x
  2. Step 2: Convert to fraction form
    7,031.79/9,704.84 = 4,236.75/x
  3. Step 3: Cross multiply
    7,031.79x = 9,704.84 × 4,236.75
  4. Step 4: Simplify right side
    7,031.79x = 41,116,959.69
  5. Step 5: Solve for x
    x = 41,116,959.69/7,031.79
  6. Step 6: Final answer
    x = 5,847.30

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.