Home / 5,252.64-7,248.75-3,015.21

Finding the Fourth Proportional to 5,252.64, 7,248.75 and 3,015.21

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Solution

The fourth proportional to 5,252.64, 7,248.75 and 3,015.21 is: 4,161.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.64 : 7,248.75 = 3,015.21 : x
  2. Step 2: Convert to fraction form
    5,252.64/7,248.75 = 3,015.21/x
  3. Step 3: Cross multiply
    5,252.64x = 7,248.75 × 3,015.21
  4. Step 4: Simplify right side
    5,252.64x = 21,856,503.49
  5. Step 5: Solve for x
    x = 21,856,503.49/5,252.64
  6. Step 6: Final answer
    x = 4,161.05

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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.