Home / 3,263.80-4,505.70-1,937.92

Finding the Fourth Proportional to 3,263.80, 4,505.70 and 1,937.92

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Solution

The fourth proportional to 3,263.80, 4,505.70 and 1,937.92 is: 2,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.80 : 4,505.70 = 1,937.92 : x
  2. Step 2: Convert to fraction form
    3,263.80/4,505.70 = 1,937.92/x
  3. Step 3: Cross multiply
    3,263.80x = 4,505.70 × 1,937.92
  4. Step 4: Simplify right side
    3,263.80x = 8,731,686.14
  5. Step 5: Solve for x
    x = 8,731,686.14/3,263.80
  6. Step 6: Final answer
    x = 2,675.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.