Home / 5,045.85-6,960.47-2,949.57

Finding the Fourth Proportional to 5,045.85, 6,960.47 and 2,949.57

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Solution

The fourth proportional to 5,045.85, 6,960.47 and 2,949.57 is: 4,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.85 : 6,960.47 = 2,949.57 : x
  2. Step 2: Convert to fraction form
    5,045.85/6,960.47 = 2,949.57/x
  3. Step 3: Cross multiply
    5,045.85x = 6,960.47 × 2,949.57
  4. Step 4: Simplify right side
    5,045.85x = 20,530,378.75
  5. Step 5: Solve for x
    x = 20,530,378.75/5,045.85
  6. Step 6: Final answer
    x = 4,068.77

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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.