Home / 4,074.72-6,112.60-1,153.10

Finding the Fourth Proportional to 4,074.72, 6,112.60 and 1,153.10

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Solution

The fourth proportional to 4,074.72, 6,112.60 and 1,153.10 is: 1,729.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.72 : 6,112.60 = 1,153.10 : x
  2. Step 2: Convert to fraction form
    4,074.72/6,112.60 = 1,153.10/x
  3. Step 3: Cross multiply
    4,074.72x = 6,112.60 × 1,153.10
  4. Step 4: Simplify right side
    4,074.72x = 7,048,439.06
  5. Step 5: Solve for x
    x = 7,048,439.06/4,074.72
  6. Step 6: Final answer
    x = 1,729.80

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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.