Home / 4,943.79-6,821.48-2,953.62

Finding the Fourth Proportional to 4,943.79, 6,821.48 and 2,953.62

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Solution

The fourth proportional to 4,943.79, 6,821.48 and 2,953.62 is: 4,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.79 : 6,821.48 = 2,953.62 : x
  2. Step 2: Convert to fraction form
    4,943.79/6,821.48 = 2,953.62/x
  3. Step 3: Cross multiply
    4,943.79x = 6,821.48 × 2,953.62
  4. Step 4: Simplify right side
    4,943.79x = 20,148,067.14
  5. Step 5: Solve for x
    x = 20,148,067.14/4,943.79
  6. Step 6: Final answer
    x = 4,075.43

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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.