Home / 7,741.28-10,681.44-4,910.24

Finding the Fourth Proportional to 7,741.28, 10,681.44 and 4,910.24

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Solution

The fourth proportional to 7,741.28, 10,681.44 and 4,910.24 is: 6,775.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.28 : 10,681.44 = 4,910.24 : x
  2. Step 2: Convert to fraction form
    7,741.28/10,681.44 = 4,910.24/x
  3. Step 3: Cross multiply
    7,741.28x = 10,681.44 × 4,910.24
  4. Step 4: Simplify right side
    7,741.28x = 52,448,433.95
  5. Step 5: Solve for x
    x = 52,448,433.95/7,741.28
  6. Step 6: Final answer
    x = 6,775.16

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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.