Home / 3,837.74-5,294.36-2,345.38

Finding the Fourth Proportional to 3,837.74, 5,294.36 and 2,345.38

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Solution

The fourth proportional to 3,837.74, 5,294.36 and 2,345.38 is: 3,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.74 : 5,294.36 = 2,345.38 : x
  2. Step 2: Convert to fraction form
    3,837.74/5,294.36 = 2,345.38/x
  3. Step 3: Cross multiply
    3,837.74x = 5,294.36 × 2,345.38
  4. Step 4: Simplify right side
    3,837.74x = 12,417,284.21
  5. Step 5: Solve for x
    x = 12,417,284.21/3,837.74
  6. Step 6: Final answer
    x = 3,235.57

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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.