Home / 3,570.63-4,927.47-1,999.09

Finding the Fourth Proportional to 3,570.63, 4,927.47 and 1,999.09

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Solution

The fourth proportional to 3,570.63, 4,927.47 and 1,999.09 is: 2,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.63 : 4,927.47 = 1,999.09 : x
  2. Step 2: Convert to fraction form
    3,570.63/4,927.47 = 1,999.09/x
  3. Step 3: Cross multiply
    3,570.63x = 4,927.47 × 1,999.09
  4. Step 4: Simplify right side
    3,570.63x = 9,850,456.00
  5. Step 5: Solve for x
    x = 9,850,456.00/3,570.63
  6. Step 6: Final answer
    x = 2,758.74

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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.