Home / 5,303.30-7,958.20-2,184.80

Finding the Fourth Proportional to 5,303.30, 7,958.20 and 2,184.80

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Solution

The fourth proportional to 5,303.30, 7,958.20 and 2,184.80 is: 3,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.30 : 7,958.20 = 2,184.80 : x
  2. Step 2: Convert to fraction form
    5,303.30/7,958.20 = 2,184.80/x
  3. Step 3: Cross multiply
    5,303.30x = 7,958.20 × 2,184.80
  4. Step 4: Simplify right side
    5,303.30x = 17,387,075.36
  5. Step 5: Solve for x
    x = 17,387,075.36/5,303.30
  6. Step 6: Final answer
    x = 3,278.54

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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.