Home / 7,741.69-10,681.96-4,714.78

Finding the Fourth Proportional to 7,741.69, 10,681.96 and 4,714.78

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Solution

The fourth proportional to 7,741.69, 10,681.96 and 4,714.78 is: 6,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.69 : 10,681.96 = 4,714.78 : x
  2. Step 2: Convert to fraction form
    7,741.69/10,681.96 = 4,714.78/x
  3. Step 3: Cross multiply
    7,741.69x = 10,681.96 × 4,714.78
  4. Step 4: Simplify right side
    7,741.69x = 50,363,052.88
  5. Step 5: Solve for x
    x = 50,363,052.88/7,741.69
  6. Step 6: Final answer
    x = 6,505.44

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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.