Home / 2,970.21-4,093.97-2,084.48

Finding the Fourth Proportional to 2,970.21, 4,093.97 and 2,084.48

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Solution

The fourth proportional to 2,970.21, 4,093.97 and 2,084.48 is: 2,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.21 : 4,093.97 = 2,084.48 : x
  2. Step 2: Convert to fraction form
    2,970.21/4,093.97 = 2,084.48/x
  3. Step 3: Cross multiply
    2,970.21x = 4,093.97 × 2,084.48
  4. Step 4: Simplify right side
    2,970.21x = 8,533,798.59
  5. Step 5: Solve for x
    x = 8,533,798.59/2,970.21
  6. Step 6: Final answer
    x = 2,873.13

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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.