Home / 7,068.41-10,602.16-2,685.75

Finding the Fourth Proportional to 7,068.41, 10,602.16 and 2,685.75

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Solution

The fourth proportional to 7,068.41, 10,602.16 and 2,685.75 is: 4,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.41 : 10,602.16 = 2,685.75 : x
  2. Step 2: Convert to fraction form
    7,068.41/10,602.16 = 2,685.75/x
  3. Step 3: Cross multiply
    7,068.41x = 10,602.16 × 2,685.75
  4. Step 4: Simplify right side
    7,068.41x = 28,474,737.79
  5. Step 5: Solve for x
    x = 28,474,737.79/7,068.41
  6. Step 6: Final answer
    x = 4,028.45

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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.