Home / 7,576.68-10,456.18-4,219.72

Finding the Fourth Proportional to 7,576.68, 10,456.18 and 4,219.72

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Solution

The fourth proportional to 7,576.68, 10,456.18 and 4,219.72 is: 5,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.68 : 10,456.18 = 4,219.72 : x
  2. Step 2: Convert to fraction form
    7,576.68/10,456.18 = 4,219.72/x
  3. Step 3: Cross multiply
    7,576.68x = 10,456.18 × 4,219.72
  4. Step 4: Simplify right side
    7,576.68x = 44,122,151.87
  5. Step 5: Solve for x
    x = 44,122,151.87/7,576.68
  6. Step 6: Final answer
    x = 5,823.41

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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.