Home / 5,192.08-7,790.10-1,907.44

Finding the Fourth Proportional to 5,192.08, 7,790.10 and 1,907.44

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Solution

The fourth proportional to 5,192.08, 7,790.10 and 1,907.44 is: 2,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.08 : 7,790.10 = 1,907.44 : x
  2. Step 2: Convert to fraction form
    5,192.08/7,790.10 = 1,907.44/x
  3. Step 3: Cross multiply
    5,192.08x = 7,790.10 × 1,907.44
  4. Step 4: Simplify right side
    5,192.08x = 14,859,148.34
  5. Step 5: Solve for x
    x = 14,859,148.34/5,192.08
  6. Step 6: Final answer
    x = 2,861.89

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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.