Home / 5,458.79-7,533.61-3,221.37

Finding the Fourth Proportional to 5,458.79, 7,533.61 and 3,221.37

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Solution

The fourth proportional to 5,458.79, 7,533.61 and 3,221.37 is: 4,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.79 : 7,533.61 = 3,221.37 : x
  2. Step 2: Convert to fraction form
    5,458.79/7,533.61 = 3,221.37/x
  3. Step 3: Cross multiply
    5,458.79x = 7,533.61 × 3,221.37
  4. Step 4: Simplify right side
    5,458.79x = 24,268,537.19
  5. Step 5: Solve for x
    x = 24,268,537.19/5,458.79
  6. Step 6: Final answer
    x = 4,445.77

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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.