Home / 4,707.06-7,060.80-2,109.78

Finding the Fourth Proportional to 4,707.06, 7,060.80 and 2,109.78

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Solution

The fourth proportional to 4,707.06, 7,060.80 and 2,109.78 is: 3,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.06 : 7,060.80 = 2,109.78 : x
  2. Step 2: Convert to fraction form
    4,707.06/7,060.80 = 2,109.78/x
  3. Step 3: Cross multiply
    4,707.06x = 7,060.80 × 2,109.78
  4. Step 4: Simplify right side
    4,707.06x = 14,896,734.62
  5. Step 5: Solve for x
    x = 14,896,734.62/4,707.06
  6. Step 6: Final answer
    x = 3,164.76

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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.