Home / 5,052.12-6,972.36-2,813.92

Finding the Fourth Proportional to 5,052.12, 6,972.36 and 2,813.92

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Solution

The fourth proportional to 5,052.12, 6,972.36 and 2,813.92 is: 3,883.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.12 : 6,972.36 = 2,813.92 : x
  2. Step 2: Convert to fraction form
    5,052.12/6,972.36 = 2,813.92/x
  3. Step 3: Cross multiply
    5,052.12x = 6,972.36 × 2,813.92
  4. Step 4: Simplify right side
    5,052.12x = 19,619,663.25
  5. Step 5: Solve for x
    x = 19,619,663.25/5,052.12
  6. Step 6: Final answer
    x = 3,883.45

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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.