Home / 5,012.16-7,515.36-1,930.56

Finding the Fourth Proportional to 5,012.16, 7,515.36 and 1,930.56

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Solution

The fourth proportional to 5,012.16, 7,515.36 and 1,930.56 is: 2,894.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.16 : 7,515.36 = 1,930.56 : x
  2. Step 2: Convert to fraction form
    5,012.16/7,515.36 = 1,930.56/x
  3. Step 3: Cross multiply
    5,012.16x = 7,515.36 × 1,930.56
  4. Step 4: Simplify right side
    5,012.16x = 14,508,853.40
  5. Step 5: Solve for x
    x = 14,508,853.40/5,012.16
  6. Step 6: Final answer
    x = 2,894.73

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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.