Home / 2,955.49-4,078.01-1,696.55

Finding the Fourth Proportional to 2,955.49, 4,078.01 and 1,696.55

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Solution

The fourth proportional to 2,955.49, 4,078.01 and 1,696.55 is: 2,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.49 : 4,078.01 = 1,696.55 : x
  2. Step 2: Convert to fraction form
    2,955.49/4,078.01 = 1,696.55/x
  3. Step 3: Cross multiply
    2,955.49x = 4,078.01 × 1,696.55
  4. Step 4: Simplify right side
    2,955.49x = 6,918,531.72
  5. Step 5: Solve for x
    x = 6,918,531.72/2,955.49
  6. Step 6: Final answer
    x = 2,340.91

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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.