Home / 4,913.10-7,369.65-2,572.20

Finding the Fourth Proportional to 4,913.10, 7,369.65 and 2,572.20

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Solution

The fourth proportional to 4,913.10, 7,369.65 and 2,572.20 is: 3,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.10 : 7,369.65 = 2,572.20 : x
  2. Step 2: Convert to fraction form
    4,913.10/7,369.65 = 2,572.20/x
  3. Step 3: Cross multiply
    4,913.10x = 7,369.65 × 2,572.20
  4. Step 4: Simplify right side
    4,913.10x = 18,956,213.73
  5. Step 5: Solve for x
    x = 18,956,213.73/4,913.10
  6. Step 6: Final answer
    x = 3,858.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.