Home / 6,971.40-10,457.64-2,040.66

Finding the Fourth Proportional to 6,971.40, 10,457.64 and 2,040.66

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Solution

The fourth proportional to 6,971.40, 10,457.64 and 2,040.66 is: 3,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,971.40 : 10,457.64 = 2,040.66 : x
  2. Step 2: Convert to fraction form
    6,971.40/10,457.64 = 2,040.66/x
  3. Step 3: Cross multiply
    6,971.40x = 10,457.64 × 2,040.66
  4. Step 4: Simplify right side
    6,971.40x = 21,340,487.64
  5. Step 5: Solve for x
    x = 21,340,487.64/6,971.40
  6. Step 6: Final answer
    x = 3,061.15

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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.