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Finding the Fourth Proportional to 7,058.75, 9,741.05 and 3,914.94

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Solution

The fourth proportional to 7,058.75, 9,741.05 and 3,914.94 is: 5,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,058.75 : 9,741.05 = 3,914.94 : x
  2. Step 2: Convert to fraction form
    7,058.75/9,741.05 = 3,914.94/x
  3. Step 3: Cross multiply
    7,058.75x = 9,741.05 × 3,914.94
  4. Step 4: Simplify right side
    7,058.75x = 38,135,606.71
  5. Step 5: Solve for x
    x = 38,135,606.71/7,058.75
  6. Step 6: Final answer
    x = 5,402.60

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1.5x scale

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.