Home / 4,930.85-6,803.76-2,913.98

Finding the Fourth Proportional to 4,930.85, 6,803.76 and 2,913.98

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Solution

The fourth proportional to 4,930.85, 6,803.76 and 2,913.98 is: 4,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.85 : 6,803.76 = 2,913.98 : x
  2. Step 2: Convert to fraction form
    4,930.85/6,803.76 = 2,913.98/x
  3. Step 3: Cross multiply
    4,930.85x = 6,803.76 × 2,913.98
  4. Step 4: Simplify right side
    4,930.85x = 19,826,027.85
  5. Step 5: Solve for x
    x = 19,826,027.85/4,930.85
  6. Step 6: Final answer
    x = 4,020.82

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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.