Home / 3,360.99-4,638.26-1,869.08

Finding the Fourth Proportional to 3,360.99, 4,638.26 and 1,869.08

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Solution

The fourth proportional to 3,360.99, 4,638.26 and 1,869.08 is: 2,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.99 : 4,638.26 = 1,869.08 : x
  2. Step 2: Convert to fraction form
    3,360.99/4,638.26 = 1,869.08/x
  3. Step 3: Cross multiply
    3,360.99x = 4,638.26 × 1,869.08
  4. Step 4: Simplify right side
    3,360.99x = 8,669,260.48
  5. Step 5: Solve for x
    x = 8,669,260.48/3,360.99
  6. Step 6: Final answer
    x = 2,579.37

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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.