Home / 4,105.36-5,665.40-2,242.32

Finding the Fourth Proportional to 4,105.36, 5,665.40 and 2,242.32

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Solution

The fourth proportional to 4,105.36, 5,665.40 and 2,242.32 is: 3,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.36 : 5,665.40 = 2,242.32 : x
  2. Step 2: Convert to fraction form
    4,105.36/5,665.40 = 2,242.32/x
  3. Step 3: Cross multiply
    4,105.36x = 5,665.40 × 2,242.32
  4. Step 4: Simplify right side
    4,105.36x = 12,703,639.73
  5. Step 5: Solve for x
    x = 12,703,639.73/4,105.36
  6. Step 6: Final answer
    x = 3,094.40

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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.