Home / 2,865.06-3,953.56-1,605.93

Finding the Fourth Proportional to 2,865.06, 3,953.56 and 1,605.93

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Solution

The fourth proportional to 2,865.06, 3,953.56 and 1,605.93 is: 2,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.06 : 3,953.56 = 1,605.93 : x
  2. Step 2: Convert to fraction form
    2,865.06/3,953.56 = 1,605.93/x
  3. Step 3: Cross multiply
    2,865.06x = 3,953.56 × 1,605.93
  4. Step 4: Simplify right side
    2,865.06x = 6,349,140.61
  5. Step 5: Solve for x
    x = 6,349,140.61/2,865.06
  6. Step 6: Final answer
    x = 2,216.06

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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.