Home / 5,043.85-6,960.47-2,805.71

Finding the Fourth Proportional to 5,043.85, 6,960.47 and 2,805.71

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Solution

The fourth proportional to 5,043.85, 6,960.47 and 2,805.71 is: 3,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.85 : 6,960.47 = 2,805.71 : x
  2. Step 2: Convert to fraction form
    5,043.85/6,960.47 = 2,805.71/x
  3. Step 3: Cross multiply
    5,043.85x = 6,960.47 × 2,805.71
  4. Step 4: Simplify right side
    5,043.85x = 19,529,011.45
  5. Step 5: Solve for x
    x = 19,529,011.45/5,043.85
  6. Step 6: Final answer
    x = 3,871.85

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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.