Home / 6,291.57-8,678.43-4,051.11

Finding the Fourth Proportional to 6,291.57, 8,678.43 and 4,051.11

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Solution

The fourth proportional to 6,291.57, 8,678.43 and 4,051.11 is: 5,588.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,291.57 : 8,678.43 = 4,051.11 : x
  2. Step 2: Convert to fraction form
    6,291.57/8,678.43 = 4,051.11/x
  3. Step 3: Cross multiply
    6,291.57x = 8,678.43 × 4,051.11
  4. Step 4: Simplify right side
    6,291.57x = 35,157,274.56
  5. Step 5: Solve for x
    x = 35,157,274.56/6,291.57
  6. Step 6: Final answer
    x = 5,588.00

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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.