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Finding the Fourth Proportional to 5,254.84, 7,258.08 and 3,934.36

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Solution

The fourth proportional to 5,254.84, 7,258.08 and 3,934.36 is: 5,434.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.84 : 7,258.08 = 3,934.36 : x
  2. Step 2: Convert to fraction form
    5,254.84/7,258.08 = 3,934.36/x
  3. Step 3: Cross multiply
    5,254.84x = 7,258.08 × 3,934.36
  4. Step 4: Simplify right side
    5,254.84x = 28,555,899.63
  5. Step 5: Solve for x
    x = 28,555,899.63/5,254.84
  6. Step 6: Final answer
    x = 5,434.21

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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.