Home / 2,675.93-3,693.57-1,557.36

Finding the Fourth Proportional to 2,675.93, 3,693.57 and 1,557.36

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Solution

The fourth proportional to 2,675.93, 3,693.57 and 1,557.36 is: 2,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.93 : 3,693.57 = 1,557.36 : x
  2. Step 2: Convert to fraction form
    2,675.93/3,693.57 = 1,557.36/x
  3. Step 3: Cross multiply
    2,675.93x = 3,693.57 × 1,557.36
  4. Step 4: Simplify right side
    2,675.93x = 5,752,212.34
  5. Step 5: Solve for x
    x = 5,752,212.34/2,675.93
  6. Step 6: Final answer
    x = 2,149.62

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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.