Home / 3,036.69-4,191.08-1,858.41

Finding the Fourth Proportional to 3,036.69, 4,191.08 and 1,858.41

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Solution

The fourth proportional to 3,036.69, 4,191.08 and 1,858.41 is: 2,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.69 : 4,191.08 = 1,858.41 : x
  2. Step 2: Convert to fraction form
    3,036.69/4,191.08 = 1,858.41/x
  3. Step 3: Cross multiply
    3,036.69x = 4,191.08 × 1,858.41
  4. Step 4: Simplify right side
    3,036.69x = 7,788,735.69
  5. Step 5: Solve for x
    x = 7,788,735.69/3,036.69
  6. Step 6: Final answer
    x = 2,564.88

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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.