Home / 7,380.24-11,075.01-3,220.35

Finding the Fourth Proportional to 7,380.24, 11,075.01 and 3,220.35

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Solution

The fourth proportional to 7,380.24, 11,075.01 and 3,220.35 is: 4,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.24 : 11,075.01 = 3,220.35 : x
  2. Step 2: Convert to fraction form
    7,380.24/11,075.01 = 3,220.35/x
  3. Step 3: Cross multiply
    7,380.24x = 11,075.01 × 3,220.35
  4. Step 4: Simplify right side
    7,380.24x = 35,665,408.45
  5. Step 5: Solve for x
    x = 35,665,408.45/7,380.24
  6. Step 6: Final answer
    x = 4,832.55

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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.