Home / 3,529.30-5,293.10-1,188.70

Finding the Fourth Proportional to 3,529.30, 5,293.10 and 1,188.70

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Solution

The fourth proportional to 3,529.30, 5,293.10 and 1,188.70 is: 1,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.30 : 5,293.10 = 1,188.70 : x
  2. Step 2: Convert to fraction form
    3,529.30/5,293.10 = 1,188.70/x
  3. Step 3: Cross multiply
    3,529.30x = 5,293.10 × 1,188.70
  4. Step 4: Simplify right side
    3,529.30x = 6,291,918.23
  5. Step 5: Solve for x
    x = 6,291,918.23/3,529.30
  6. Step 6: Final answer
    x = 1,782.77

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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.