Home / 2,973.53-4,103.55-1,647.35

Finding the Fourth Proportional to 2,973.53, 4,103.55 and 1,647.35

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Solution

The fourth proportional to 2,973.53, 4,103.55 and 1,647.35 is: 2,273.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,973.53 : 4,103.55 = 1,647.35 : x
  2. Step 2: Convert to fraction form
    2,973.53/4,103.55 = 1,647.35/x
  3. Step 3: Cross multiply
    2,973.53x = 4,103.55 × 1,647.35
  4. Step 4: Simplify right side
    2,973.53x = 6,759,983.09
  5. Step 5: Solve for x
    x = 6,759,983.09/2,973.53
  6. Step 6: Final answer
    x = 2,273.39

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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.