Home / 5,160.60-7,118.44-4,530.64

Finding the Fourth Proportional to 5,160.60, 7,118.44 and 4,530.64

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Solution

The fourth proportional to 5,160.60, 7,118.44 and 4,530.64 is: 6,249.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.60 : 7,118.44 = 4,530.64 : x
  2. Step 2: Convert to fraction form
    5,160.60/7,118.44 = 4,530.64/x
  3. Step 3: Cross multiply
    5,160.60x = 7,118.44 × 4,530.64
  4. Step 4: Simplify right side
    5,160.60x = 32,251,089.00
  5. Step 5: Solve for x
    x = 32,251,089.00/5,160.60
  6. Step 6: Final answer
    x = 6,249.48

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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.