Home / 7,063.66-9,747.90-3,919.84

Finding the Fourth Proportional to 7,063.66, 9,747.90 and 3,919.84

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Solution

The fourth proportional to 7,063.66, 9,747.90 and 3,919.84 is: 5,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.66 : 9,747.90 = 3,919.84 : x
  2. Step 2: Convert to fraction form
    7,063.66/9,747.90 = 3,919.84/x
  3. Step 3: Cross multiply
    7,063.66x = 9,747.90 × 3,919.84
  4. Step 4: Simplify right side
    7,063.66x = 38,210,208.34
  5. Step 5: Solve for x
    x = 38,210,208.34/7,063.66
  6. Step 6: Final answer
    x = 5,409.41

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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.