Home / 7,058.42-9,740.70-3,914.66

Finding the Fourth Proportional to 7,058.42, 9,740.70 and 3,914.66

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Solution

The fourth proportional to 7,058.42, 9,740.70 and 3,914.66 is: 5,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.42 : 9,740.70 = 3,914.66 : x
  2. Step 2: Convert to fraction form
    7,058.42/9,740.70 = 3,914.66/x
  3. Step 3: Cross multiply
    7,058.42x = 9,740.70 × 3,914.66
  4. Step 4: Simplify right side
    7,058.42x = 38,131,528.66
  5. Step 5: Solve for x
    x = 38,131,528.66/7,058.42
  6. Step 6: Final answer
    x = 5,402.28

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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.