Home / 7,265.10-10,025.53-4,121.88

Finding the Fourth Proportional to 7,265.10, 10,025.53 and 4,121.88

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Solution

The fourth proportional to 7,265.10, 10,025.53 and 4,121.88 is: 5,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,265.10 : 10,025.53 = 4,121.88 : x
  2. Step 2: Convert to fraction form
    7,265.10/10,025.53 = 4,121.88/x
  3. Step 3: Cross multiply
    7,265.10x = 10,025.53 × 4,121.88
  4. Step 4: Simplify right side
    7,265.10x = 41,324,031.60
  5. Step 5: Solve for x
    x = 41,324,031.60/7,265.10
  6. Step 6: Final answer
    x = 5,688.02

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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.