Home / 3,347.89-4,620.04-1,855.81

Finding the Fourth Proportional to 3,347.89, 4,620.04 and 1,855.81

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Solution

The fourth proportional to 3,347.89, 4,620.04 and 1,855.81 is: 2,560.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.89 : 4,620.04 = 1,855.81 : x
  2. Step 2: Convert to fraction form
    3,347.89/4,620.04 = 1,855.81/x
  3. Step 3: Cross multiply
    3,347.89x = 4,620.04 × 1,855.81
  4. Step 4: Simplify right side
    3,347.89x = 8,573,916.43
  5. Step 5: Solve for x
    x = 8,573,916.43/3,347.89
  6. Step 6: Final answer
    x = 2,560.99

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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.