Home / 2,880.56-4,325.70-2,622.98

Finding the Fourth Proportional to 2,880.56, 4,325.70 and 2,622.98

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Solution

The fourth proportional to 2,880.56, 4,325.70 and 2,622.98 is: 3,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.56 : 4,325.70 = 2,622.98 : x
  2. Step 2: Convert to fraction form
    2,880.56/4,325.70 = 2,622.98/x
  3. Step 3: Cross multiply
    2,880.56x = 4,325.70 × 2,622.98
  4. Step 4: Simplify right side
    2,880.56x = 11,346,245.24
  5. Step 5: Solve for x
    x = 11,346,245.24/2,880.56
  6. Step 6: Final answer
    x = 3,938.90

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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.