Home / 4,930.12-6,756.50-4,763.80

Finding the Fourth Proportional to 4,930.12, 6,756.50 and 4,763.80

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Solution

The fourth proportional to 4,930.12, 6,756.50 and 4,763.80 is: 6,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.12 : 6,756.50 = 4,763.80 : x
  2. Step 2: Convert to fraction form
    4,930.12/6,756.50 = 4,763.80/x
  3. Step 3: Cross multiply
    4,930.12x = 6,756.50 × 4,763.80
  4. Step 4: Simplify right side
    4,930.12x = 32,186,614.70
  5. Step 5: Solve for x
    x = 32,186,614.70/4,930.12
  6. Step 6: Final answer
    x = 6,528.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.