Home / 5,012.44-6,917.34-2,887.81

Finding the Fourth Proportional to 5,012.44, 6,917.34 and 2,887.81

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Solution

The fourth proportional to 5,012.44, 6,917.34 and 2,887.81 is: 3,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.44 : 6,917.34 = 2,887.81 : x
  2. Step 2: Convert to fraction form
    5,012.44/6,917.34 = 2,887.81/x
  3. Step 3: Cross multiply
    5,012.44x = 6,917.34 × 2,887.81
  4. Step 4: Simplify right side
    5,012.44x = 19,975,941.72
  5. Step 5: Solve for x
    x = 19,975,941.72/5,012.44
  6. Step 6: Final answer
    x = 3,985.27

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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.