Home / 5,070.50-7,605.78-2,604.86

Finding the Fourth Proportional to 5,070.50, 7,605.78 and 2,604.86

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Solution

The fourth proportional to 5,070.50, 7,605.78 and 2,604.86 is: 3,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.50 : 7,605.78 = 2,604.86 : x
  2. Step 2: Convert to fraction form
    5,070.50/7,605.78 = 2,604.86/x
  3. Step 3: Cross multiply
    5,070.50x = 7,605.78 × 2,604.86
  4. Step 4: Simplify right side
    5,070.50x = 19,811,992.09
  5. Step 5: Solve for x
    x = 19,811,992.09/5,070.50
  6. Step 6: Final answer
    x = 3,907.31

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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.