Home / 6,905.63-9,529.79-3,761.84

Finding the Fourth Proportional to 6,905.63, 9,529.79 and 3,761.84

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Solution

The fourth proportional to 6,905.63, 9,529.79 and 3,761.84 is: 5,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.63 : 9,529.79 = 3,761.84 : x
  2. Step 2: Convert to fraction form
    6,905.63/9,529.79 = 3,761.84/x
  3. Step 3: Cross multiply
    6,905.63x = 9,529.79 × 3,761.84
  4. Step 4: Simplify right side
    6,905.63x = 35,849,545.21
  5. Step 5: Solve for x
    x = 35,849,545.21/6,905.63
  6. Step 6: Final answer
    x = 5,191.35

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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.