Home / 3,301.10-4,555.53-1,809.05

Finding the Fourth Proportional to 3,301.10, 4,555.53 and 1,809.05

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Solution

The fourth proportional to 3,301.10, 4,555.53 and 1,809.05 is: 2,496.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.10 : 4,555.53 = 1,809.05 : x
  2. Step 2: Convert to fraction form
    3,301.10/4,555.53 = 1,809.05/x
  3. Step 3: Cross multiply
    3,301.10x = 4,555.53 × 1,809.05
  4. Step 4: Simplify right side
    3,301.10x = 8,241,158.77
  5. Step 5: Solve for x
    x = 8,241,158.77/3,301.10
  6. Step 6: Final answer
    x = 2,496.49

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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.