Home / 3,084.12-4,623.17-1,970.12

Finding the Fourth Proportional to 3,084.12, 4,623.17 and 1,970.12

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Solution

The fourth proportional to 3,084.12, 4,623.17 and 1,970.12 is: 2,953.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084.12 : 4,623.17 = 1,970.12 : x
  2. Step 2: Convert to fraction form
    3,084.12/4,623.17 = 1,970.12/x
  3. Step 3: Cross multiply
    3,084.12x = 4,623.17 × 1,970.12
  4. Step 4: Simplify right side
    3,084.12x = 9,108,201.39
  5. Step 5: Solve for x
    x = 9,108,201.39/3,084.12
  6. Step 6: Final answer
    x = 2,953.26

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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.