Home / 2,970.72-4,094.66-2,084.99

Finding the Fourth Proportional to 2,970.72, 4,094.66 and 2,084.99

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Solution

The fourth proportional to 2,970.72, 4,094.66 and 2,084.99 is: 2,873.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.72 : 4,094.66 = 2,084.99 : x
  2. Step 2: Convert to fraction form
    2,970.72/4,094.66 = 2,084.99/x
  3. Step 3: Cross multiply
    2,970.72x = 4,094.66 × 2,084.99
  4. Step 4: Simplify right side
    2,970.72x = 8,537,294.26
  5. Step 5: Solve for x
    x = 8,537,294.26/2,970.72
  6. Step 6: Final answer
    x = 2,873.81

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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.