Home / 6,720.10-10,056.70-5,677.13

Finding the Fourth Proportional to 6,720.10, 10,056.70 and 5,677.13

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Solution

The fourth proportional to 6,720.10, 10,056.70 and 5,677.13 is: 8,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.10 : 10,056.70 = 5,677.13 : x
  2. Step 2: Convert to fraction form
    6,720.10/10,056.70 = 5,677.13/x
  3. Step 3: Cross multiply
    6,720.10x = 10,056.70 × 5,677.13
  4. Step 4: Simplify right side
    6,720.10x = 57,093,193.27
  5. Step 5: Solve for x
    x = 57,093,193.27/6,720.10
  6. Step 6: Final answer
    x = 8,495.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.