Home / 4,953.25-6,835.79-2,857.38

Finding the Fourth Proportional to 4,953.25, 6,835.79 and 2,857.38

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Solution

The fourth proportional to 4,953.25, 6,835.79 and 2,857.38 is: 3,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.25 : 6,835.79 = 2,857.38 : x
  2. Step 2: Convert to fraction form
    4,953.25/6,835.79 = 2,857.38/x
  3. Step 3: Cross multiply
    4,953.25x = 6,835.79 × 2,857.38
  4. Step 4: Simplify right side
    4,953.25x = 19,532,415.45
  5. Step 5: Solve for x
    x = 19,532,415.45/4,953.25
  6. Step 6: Final answer
    x = 3,943.35

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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.