Home / 3,777.89-5,641.40-3,085.93

Finding the Fourth Proportional to 3,777.89, 5,641.40 and 3,085.93

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Solution

The fourth proportional to 3,777.89, 5,641.40 and 3,085.93 is: 4,608.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.89 : 5,641.40 = 3,085.93 : x
  2. Step 2: Convert to fraction form
    3,777.89/5,641.40 = 3,085.93/x
  3. Step 3: Cross multiply
    3,777.89x = 5,641.40 × 3,085.93
  4. Step 4: Simplify right side
    3,777.89x = 17,408,935.97
  5. Step 5: Solve for x
    x = 17,408,935.97/3,777.89
  6. Step 6: Final answer
    x = 4,608.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.