Home / 6,682.40-9,222.58-4,031.28

Finding the Fourth Proportional to 6,682.40, 9,222.58 and 4,031.28

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Solution

The fourth proportional to 6,682.40, 9,222.58 and 4,031.28 is: 5,563.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.40 : 9,222.58 = 4,031.28 : x
  2. Step 2: Convert to fraction form
    6,682.40/9,222.58 = 4,031.28/x
  3. Step 3: Cross multiply
    6,682.40x = 9,222.58 × 4,031.28
  4. Step 4: Simplify right side
    6,682.40x = 37,178,802.30
  5. Step 5: Solve for x
    x = 37,178,802.30/6,682.40
  6. Step 6: Final answer
    x = 5,563.69

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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.