Home / 5,008.48-7,512.14-1,311.06

Finding the Fourth Proportional to 5,008.48, 7,512.14 and 1,311.06

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Solution

The fourth proportional to 5,008.48, 7,512.14 and 1,311.06 is: 1,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.48 : 7,512.14 = 1,311.06 : x
  2. Step 2: Convert to fraction form
    5,008.48/7,512.14 = 1,311.06/x
  3. Step 3: Cross multiply
    5,008.48x = 7,512.14 × 1,311.06
  4. Step 4: Simplify right side
    5,008.48x = 9,848,859.71
  5. Step 5: Solve for x
    x = 9,848,859.71/5,008.48
  6. Step 6: Final answer
    x = 1,966.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.