Home / 5,043.95-6,960.49-2,805.77

Finding the Fourth Proportional to 5,043.95, 6,960.49 and 2,805.77

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Solution

The fourth proportional to 5,043.95, 6,960.49 and 2,805.77 is: 3,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.95 : 6,960.49 = 2,805.77 : x
  2. Step 2: Convert to fraction form
    5,043.95/6,960.49 = 2,805.77/x
  3. Step 3: Cross multiply
    5,043.95x = 6,960.49 × 2,805.77
  4. Step 4: Simplify right side
    5,043.95x = 19,529,492.21
  5. Step 5: Solve for x
    x = 19,529,492.21/5,043.95
  6. Step 6: Final answer
    x = 3,871.86

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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.