Home / 3,074.54-4,609.07-1,126.29

Finding the Fourth Proportional to 3,074.54, 4,609.07 and 1,126.29

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Solution

The fourth proportional to 3,074.54, 4,609.07 and 1,126.29 is: 1,688.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.54 : 4,609.07 = 1,126.29 : x
  2. Step 2: Convert to fraction form
    3,074.54/4,609.07 = 1,126.29/x
  3. Step 3: Cross multiply
    3,074.54x = 4,609.07 × 1,126.29
  4. Step 4: Simplify right side
    3,074.54x = 5,191,130.76
  5. Step 5: Solve for x
    x = 5,191,130.76/3,074.54
  6. Step 6: Final answer
    x = 1,688.43

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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.