Home / 2,962.48-4,085.04-2,078

Finding the Fourth Proportional to 2,962.48, 4,085.04 and 2,078

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Solution

The fourth proportional to 2,962.48, 4,085.04 and 2,078 is: 2,865.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.48 : 4,085.04 = 2,078 : x
  2. Step 2: Convert to fraction form
    2,962.48/4,085.04 = 2,078/x
  3. Step 3: Cross multiply
    2,962.48x = 4,085.04 × 2,078
  4. Step 4: Simplify right side
    2,962.48x = 8,488,713.12
  5. Step 5: Solve for x
    x = 8,488,713.12/2,962.48
  6. Step 6: Final answer
    x = 2,865.41

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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.