Home / 4,974.84-6,865.87-2,851.06

Finding the Fourth Proportional to 4,974.84, 6,865.87 and 2,851.06

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Solution

The fourth proportional to 4,974.84, 6,865.87 and 2,851.06 is: 3,934.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.84 : 6,865.87 = 2,851.06 : x
  2. Step 2: Convert to fraction form
    4,974.84/6,865.87 = 2,851.06/x
  3. Step 3: Cross multiply
    4,974.84x = 6,865.87 × 2,851.06
  4. Step 4: Simplify right side
    4,974.84x = 19,575,007.32
  5. Step 5: Solve for x
    x = 19,575,007.32/4,974.84
  6. Step 6: Final answer
    x = 3,934.80

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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.