Home / 7,133.40-10,703.30-3,235.80

Finding the Fourth Proportional to 7,133.40, 10,703.30 and 3,235.80

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Solution

The fourth proportional to 7,133.40, 10,703.30 and 3,235.80 is: 4,855.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.40 : 10,703.30 = 3,235.80 : x
  2. Step 2: Convert to fraction form
    7,133.40/10,703.30 = 3,235.80/x
  3. Step 3: Cross multiply
    7,133.40x = 10,703.30 × 3,235.80
  4. Step 4: Simplify right side
    7,133.40x = 34,633,738.14
  5. Step 5: Solve for x
    x = 34,633,738.14/7,133.40
  6. Step 6: Final answer
    x = 4,855.15

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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.