Home / 5,039.42-6,953.31-2,800.82

Finding the Fourth Proportional to 5,039.42, 6,953.31 and 2,800.82

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Solution

The fourth proportional to 5,039.42, 6,953.31 and 2,800.82 is: 3,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,039.42 : 6,953.31 = 2,800.82 : x
  2. Step 2: Convert to fraction form
    5,039.42/6,953.31 = 2,800.82/x
  3. Step 3: Cross multiply
    5,039.42x = 6,953.31 × 2,800.82
  4. Step 4: Simplify right side
    5,039.42x = 19,474,934.95
  5. Step 5: Solve for x
    x = 19,474,934.95/5,039.42
  6. Step 6: Final answer
    x = 3,864.52

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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.