Home / 7,741.68-10,679.48-4,758.18

Finding the Fourth Proportional to 7,741.68, 10,679.48 and 4,758.18

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Solution

The fourth proportional to 7,741.68, 10,679.48 and 4,758.18 is: 6,563.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.68 : 10,679.48 = 4,758.18 : x
  2. Step 2: Convert to fraction form
    7,741.68/10,679.48 = 4,758.18/x
  3. Step 3: Cross multiply
    7,741.68x = 10,679.48 × 4,758.18
  4. Step 4: Simplify right side
    7,741.68x = 50,814,888.15
  5. Step 5: Solve for x
    x = 50,814,888.15/7,741.68
  6. Step 6: Final answer
    x = 6,563.81

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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.