Home / 4,112.96-5,675.74-2,345.13

Finding the Fourth Proportional to 4,112.96, 5,675.74 and 2,345.13

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Solution

The fourth proportional to 4,112.96, 5,675.74 and 2,345.13 is: 3,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.96 : 5,675.74 = 2,345.13 : x
  2. Step 2: Convert to fraction form
    4,112.96/5,675.74 = 2,345.13/x
  3. Step 3: Cross multiply
    4,112.96x = 5,675.74 × 2,345.13
  4. Step 4: Simplify right side
    4,112.96x = 13,310,342.28
  5. Step 5: Solve for x
    x = 13,310,342.28/4,112.96
  6. Step 6: Final answer
    x = 3,236.20

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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.