Home / 3,036.28-4,190.04-1,709.92

Finding the Fourth Proportional to 3,036.28, 4,190.04 and 1,709.92

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Solution

The fourth proportional to 3,036.28, 4,190.04 and 1,709.92 is: 2,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.28 : 4,190.04 = 1,709.92 : x
  2. Step 2: Convert to fraction form
    3,036.28/4,190.04 = 1,709.92/x
  3. Step 3: Cross multiply
    3,036.28x = 4,190.04 × 1,709.92
  4. Step 4: Simplify right side
    3,036.28x = 7,164,633.20
  5. Step 5: Solve for x
    x = 7,164,633.20/3,036.28
  6. Step 6: Final answer
    x = 2,359.67

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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.