Home / 3,669.09-5,503.54-1,036.78

Finding the Fourth Proportional to 3,669.09, 5,503.54 and 1,036.78

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Solution

The fourth proportional to 3,669.09, 5,503.54 and 1,036.78 is: 1,555.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.09 : 5,503.54 = 1,036.78 : x
  2. Step 2: Convert to fraction form
    3,669.09/5,503.54 = 1,036.78/x
  3. Step 3: Cross multiply
    3,669.09x = 5,503.54 × 1,036.78
  4. Step 4: Simplify right side
    3,669.09x = 5,705,960.20
  5. Step 5: Solve for x
    x = 5,705,960.20/3,669.09
  6. Step 6: Final answer
    x = 1,555.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.