Home / 6,980.41-10,470.66-1,715.46

Finding the Fourth Proportional to 6,980.41, 10,470.66 and 1,715.46

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Solution

The fourth proportional to 6,980.41, 10,470.66 and 1,715.46 is: 2,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980.41 : 10,470.66 = 1,715.46 : x
  2. Step 2: Convert to fraction form
    6,980.41/10,470.66 = 1,715.46/x
  3. Step 3: Cross multiply
    6,980.41x = 10,470.66 × 1,715.46
  4. Step 4: Simplify right side
    6,980.41x = 17,961,998.40
  5. Step 5: Solve for x
    x = 17,961,998.40/6,980.41
  6. Step 6: Final answer
    x = 2,573.20

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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.