Home / 3,526.28-5,289.36-1,217.72

Finding the Fourth Proportional to 3,526.28, 5,289.36 and 1,217.72

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Solution

The fourth proportional to 3,526.28, 5,289.36 and 1,217.72 is: 1,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.28 : 5,289.36 = 1,217.72 : x
  2. Step 2: Convert to fraction form
    3,526.28/5,289.36 = 1,217.72/x
  3. Step 3: Cross multiply
    3,526.28x = 5,289.36 × 1,217.72
  4. Step 4: Simplify right side
    3,526.28x = 6,440,959.46
  5. Step 5: Solve for x
    x = 6,440,959.46/3,526.28
  6. Step 6: Final answer
    x = 1,826.56

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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.