Home / 3,518.08-5,276.58-1,179.76

Finding the Fourth Proportional to 3,518.08, 5,276.58 and 1,179.76

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Solution

The fourth proportional to 3,518.08, 5,276.58 and 1,179.76 is: 1,769.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.08 : 5,276.58 = 1,179.76 : x
  2. Step 2: Convert to fraction form
    3,518.08/5,276.58 = 1,179.76/x
  3. Step 3: Cross multiply
    3,518.08x = 5,276.58 × 1,179.76
  4. Step 4: Simplify right side
    3,518.08x = 6,225,098.02
  5. Step 5: Solve for x
    x = 6,225,098.02/3,518.08
  6. Step 6: Final answer
    x = 1,769.46

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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.