Home / 2,766.49-4,147.13-1,011.08

Finding the Fourth Proportional to 2,766.49, 4,147.13 and 1,011.08

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Solution

The fourth proportional to 2,766.49, 4,147.13 and 1,011.08 is: 1,515.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.49 : 4,147.13 = 1,011.08 : x
  2. Step 2: Convert to fraction form
    2,766.49/4,147.13 = 1,011.08/x
  3. Step 3: Cross multiply
    2,766.49x = 4,147.13 × 1,011.08
  4. Step 4: Simplify right side
    2,766.49x = 4,193,093.10
  5. Step 5: Solve for x
    x = 4,193,093.10/2,766.49
  6. Step 6: Final answer
    x = 1,515.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.