Home / 3,572.42-5,359.40-1,107.19

Finding the Fourth Proportional to 3,572.42, 5,359.40 and 1,107.19

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Solution

The fourth proportional to 3,572.42, 5,359.40 and 1,107.19 is: 1,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.42 : 5,359.40 = 1,107.19 : x
  2. Step 2: Convert to fraction form
    3,572.42/5,359.40 = 1,107.19/x
  3. Step 3: Cross multiply
    3,572.42x = 5,359.40 × 1,107.19
  4. Step 4: Simplify right side
    3,572.42x = 5,933,841.75
  5. Step 5: Solve for x
    x = 5,933,841.75/3,572.42
  6. Step 6: Final answer
    x = 1,661.01

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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.