Home / 4,415.70-6,622.75-2,570.43

Finding the Fourth Proportional to 4,415.70, 6,622.75 and 2,570.43

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Solution

The fourth proportional to 4,415.70, 6,622.75 and 2,570.43 is: 3,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.70 : 6,622.75 = 2,570.43 : x
  2. Step 2: Convert to fraction form
    4,415.70/6,622.75 = 2,570.43/x
  3. Step 3: Cross multiply
    4,415.70x = 6,622.75 × 2,570.43
  4. Step 4: Simplify right side
    4,415.70x = 17,023,315.28
  5. Step 5: Solve for x
    x = 17,023,315.28/4,415.70
  6. Step 6: Final answer
    x = 3,855.18

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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.