Home / 5,628.22-7,762.82-4,880.88

Finding the Fourth Proportional to 5,628.22, 7,762.82 and 4,880.88

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Solution

The fourth proportional to 5,628.22, 7,762.82 and 4,880.88 is: 6,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.22 : 7,762.82 = 4,880.88 : x
  2. Step 2: Convert to fraction form
    5,628.22/7,762.82 = 4,880.88/x
  3. Step 3: Cross multiply
    5,628.22x = 7,762.82 × 4,880.88
  4. Step 4: Simplify right side
    5,628.22x = 37,889,438.36
  5. Step 5: Solve for x
    x = 37,889,438.36/5,628.22
  6. Step 6: Final answer
    x = 6,732.04

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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.