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Finding the Fourth Proportional to 5,300.95, 7,952.34 and 1,790.98

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Solution

The fourth proportional to 5,300.95, 7,952.34 and 1,790.98 is: 2,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,300.95 : 7,952.34 = 1,790.98 : x
  2. Step 2: Convert to fraction form
    5,300.95/7,952.34 = 1,790.98/x
  3. Step 3: Cross multiply
    5,300.95x = 7,952.34 × 1,790.98
  4. Step 4: Simplify right side
    5,300.95x = 14,242,453.06
  5. Step 5: Solve for x
    x = 14,242,453.06/5,300.95
  6. Step 6: Final answer
    x = 2,686.78

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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.