Home / 1,829.70-2,522.05-1,436.06

Finding the Fourth Proportional to 1,829.70, 2,522.05 and 1,436.06

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Solution

The fourth proportional to 1,829.70, 2,522.05 and 1,436.06 is: 1,979.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.70 : 2,522.05 = 1,436.06 : x
  2. Step 2: Convert to fraction form
    1,829.70/2,522.05 = 1,436.06/x
  3. Step 3: Cross multiply
    1,829.70x = 2,522.05 × 1,436.06
  4. Step 4: Simplify right side
    1,829.70x = 3,621,815.12
  5. Step 5: Solve for x
    x = 3,621,815.12/1,829.70
  6. Step 6: Final answer
    x = 1,979.46

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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.