Home / 3,378.33-4,661.51-1,886.02

Finding the Fourth Proportional to 3,378.33, 4,661.51 and 1,886.02

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Solution

The fourth proportional to 3,378.33, 4,661.51 and 1,886.02 is: 2,602.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.33 : 4,661.51 = 1,886.02 : x
  2. Step 2: Convert to fraction form
    3,378.33/4,661.51 = 1,886.02/x
  3. Step 3: Cross multiply
    3,378.33x = 4,661.51 × 1,886.02
  4. Step 4: Simplify right side
    3,378.33x = 8,791,680.01
  5. Step 5: Solve for x
    x = 8,791,680.01/3,378.33
  6. Step 6: Final answer
    x = 2,602.37

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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.