Home / 4,637.73-6,400.42-2,870.37

Finding the Fourth Proportional to 4,637.73, 6,400.42 and 2,870.37

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Solution

The fourth proportional to 4,637.73, 6,400.42 and 2,870.37 is: 3,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.73 : 6,400.42 = 2,870.37 : x
  2. Step 2: Convert to fraction form
    4,637.73/6,400.42 = 2,870.37/x
  3. Step 3: Cross multiply
    4,637.73x = 6,400.42 × 2,870.37
  4. Step 4: Simplify right side
    4,637.73x = 18,371,573.56
  5. Step 5: Solve for x
    x = 18,371,573.56/4,637.73
  6. Step 6: Final answer
    x = 3,961.33

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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.