Home / 4,147.14-5,715.18-2,966.16

Finding the Fourth Proportional to 4,147.14, 5,715.18 and 2,966.16

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Solution

The fourth proportional to 4,147.14, 5,715.18 and 2,966.16 is: 4,087.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.14 : 5,715.18 = 2,966.16 : x
  2. Step 2: Convert to fraction form
    4,147.14/5,715.18 = 2,966.16/x
  3. Step 3: Cross multiply
    4,147.14x = 5,715.18 × 2,966.16
  4. Step 4: Simplify right side
    4,147.14x = 16,952,138.31
  5. Step 5: Solve for x
    x = 16,952,138.31/4,147.14
  6. Step 6: Final answer
    x = 4,087.67

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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.