Home / 7,703.83-11,555.77-1,860.44

Finding the Fourth Proportional to 7,703.83, 11,555.77 and 1,860.44

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Solution

The fourth proportional to 7,703.83, 11,555.77 and 1,860.44 is: 2,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.83 : 11,555.77 = 1,860.44 : x
  2. Step 2: Convert to fraction form
    7,703.83/11,555.77 = 1,860.44/x
  3. Step 3: Cross multiply
    7,703.83x = 11,555.77 × 1,860.44
  4. Step 4: Simplify right side
    7,703.83x = 21,498,816.74
  5. Step 5: Solve for x
    x = 21,498,816.74/7,703.83
  6. Step 6: Final answer
    x = 2,790.67

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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.