Home / 3,595.09-5,390.80-1,645.62

Finding the Fourth Proportional to 3,595.09, 5,390.80 and 1,645.62

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Solution

The fourth proportional to 3,595.09, 5,390.80 and 1,645.62 is: 2,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.09 : 5,390.80 = 1,645.62 : x
  2. Step 2: Convert to fraction form
    3,595.09/5,390.80 = 1,645.62/x
  3. Step 3: Cross multiply
    3,595.09x = 5,390.80 × 1,645.62
  4. Step 4: Simplify right side
    3,595.09x = 8,871,210.35
  5. Step 5: Solve for x
    x = 8,871,210.35/3,595.09
  6. Step 6: Final answer
    x = 2,467.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.