Home / 2,232.78-3,345.66-1,135.64

Finding the Fourth Proportional to 2,232.78, 3,345.66 and 1,135.64

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Solution

The fourth proportional to 2,232.78, 3,345.66 and 1,135.64 is: 1,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.78 : 3,345.66 = 1,135.64 : x
  2. Step 2: Convert to fraction form
    2,232.78/3,345.66 = 1,135.64/x
  3. Step 3: Cross multiply
    2,232.78x = 3,345.66 × 1,135.64
  4. Step 4: Simplify right side
    2,232.78x = 3,799,448.59
  5. Step 5: Solve for x
    x = 3,799,448.59/2,232.78
  6. Step 6: Final answer
    x = 1,701.67

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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.