Home / 4,885.37-6,741.40-2,761.09

Finding the Fourth Proportional to 4,885.37, 6,741.40 and 2,761.09

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Solution

The fourth proportional to 4,885.37, 6,741.40 and 2,761.09 is: 3,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.37 : 6,741.40 = 2,761.09 : x
  2. Step 2: Convert to fraction form
    4,885.37/6,741.40 = 2,761.09/x
  3. Step 3: Cross multiply
    4,885.37x = 6,741.40 × 2,761.09
  4. Step 4: Simplify right side
    4,885.37x = 18,613,612.13
  5. Step 5: Solve for x
    x = 18,613,612.13/4,885.37
  6. Step 6: Final answer
    x = 3,810.07

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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.