Home / 4,999.42-6,898.77-2,761.30

Finding the Fourth Proportional to 4,999.42, 6,898.77 and 2,761.30

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Solution

The fourth proportional to 4,999.42, 6,898.77 and 2,761.30 is: 3,810.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.42 : 6,898.77 = 2,761.30 : x
  2. Step 2: Convert to fraction form
    4,999.42/6,898.77 = 2,761.30/x
  3. Step 3: Cross multiply
    4,999.42x = 6,898.77 × 2,761.30
  4. Step 4: Simplify right side
    4,999.42x = 19,049,573.60
  5. Step 5: Solve for x
    x = 19,049,573.60/4,999.42
  6. Step 6: Final answer
    x = 3,810.36

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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.