Home / 3,465.54-4,784.07-2,140.02

Finding the Fourth Proportional to 3,465.54, 4,784.07 and 2,140.02

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Solution

The fourth proportional to 3,465.54, 4,784.07 and 2,140.02 is: 2,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.54 : 4,784.07 = 2,140.02 : x
  2. Step 2: Convert to fraction form
    3,465.54/4,784.07 = 2,140.02/x
  3. Step 3: Cross multiply
    3,465.54x = 4,784.07 × 2,140.02
  4. Step 4: Simplify right side
    3,465.54x = 10,238,005.48
  5. Step 5: Solve for x
    x = 10,238,005.48/3,465.54
  6. Step 6: Final answer
    x = 2,954.23

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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.