Home / 2,996.49-4,129.08-2,320.22

Finding the Fourth Proportional to 2,996.49, 4,129.08 and 2,320.22

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Solution

The fourth proportional to 2,996.49, 4,129.08 and 2,320.22 is: 3,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.49 : 4,129.08 = 2,320.22 : x
  2. Step 2: Convert to fraction form
    2,996.49/4,129.08 = 2,320.22/x
  3. Step 3: Cross multiply
    2,996.49x = 4,129.08 × 2,320.22
  4. Step 4: Simplify right side
    2,996.49x = 9,580,341.75
  5. Step 5: Solve for x
    x = 9,580,341.75/2,996.49
  6. Step 6: Final answer
    x = 3,197.19

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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.