Home / 5,509.04-8,216.44-5,314.64

Finding the Fourth Proportional to 5,509.04, 8,216.44 and 5,314.64

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Solution

The fourth proportional to 5,509.04, 8,216.44 and 5,314.64 is: 7,926.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.04 : 8,216.44 = 5,314.64 : x
  2. Step 2: Convert to fraction form
    5,509.04/8,216.44 = 5,314.64/x
  3. Step 3: Cross multiply
    5,509.04x = 8,216.44 × 5,314.64
  4. Step 4: Simplify right side
    5,509.04x = 43,667,420.68
  5. Step 5: Solve for x
    x = 43,667,420.68/5,509.04
  6. Step 6: Final answer
    x = 7,926.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.