Home / 2,483.26-3,428.33-2,151.16

Finding the Fourth Proportional to 2,483.26, 3,428.33 and 2,151.16

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Solution

The fourth proportional to 2,483.26, 3,428.33 and 2,151.16 is: 2,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,483.26 : 3,428.33 = 2,151.16 : x
  2. Step 2: Convert to fraction form
    2,483.26/3,428.33 = 2,151.16/x
  3. Step 3: Cross multiply
    2,483.26x = 3,428.33 × 2,151.16
  4. Step 4: Simplify right side
    2,483.26x = 7,374,867.04
  5. Step 5: Solve for x
    x = 7,374,867.04/2,483.26
  6. Step 6: Final answer
    x = 2,969.84

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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.