Home / 7,576.87-10,456.20-4,219.69

Finding the Fourth Proportional to 7,576.87, 10,456.20 and 4,219.69

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Solution

The fourth proportional to 7,576.87, 10,456.20 and 4,219.69 is: 5,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.87 : 10,456.20 = 4,219.69 : x
  2. Step 2: Convert to fraction form
    7,576.87/10,456.20 = 4,219.69/x
  3. Step 3: Cross multiply
    7,576.87x = 10,456.20 × 4,219.69
  4. Step 4: Simplify right side
    7,576.87x = 44,121,922.58
  5. Step 5: Solve for x
    x = 44,121,922.58/7,576.87
  6. Step 6: Final answer
    x = 5,823.24

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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.