Home / 2,406.97-3,320.76-1,412.02

Finding the Fourth Proportional to 2,406.97, 3,320.76 and 1,412.02

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Solution

The fourth proportional to 2,406.97, 3,320.76 and 1,412.02 is: 1,948.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.97 : 3,320.76 = 1,412.02 : x
  2. Step 2: Convert to fraction form
    2,406.97/3,320.76 = 1,412.02/x
  3. Step 3: Cross multiply
    2,406.97x = 3,320.76 × 1,412.02
  4. Step 4: Simplify right side
    2,406.97x = 4,688,979.54
  5. Step 5: Solve for x
    x = 4,688,979.54/2,406.97
  6. Step 6: Final answer
    x = 1,948.08

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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.