Home / 5,455.52-7,529.32-3,330.60

Finding the Fourth Proportional to 5,455.52, 7,529.32 and 3,330.60

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Solution

The fourth proportional to 5,455.52, 7,529.32 and 3,330.60 is: 4,596.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.52 : 7,529.32 = 3,330.60 : x
  2. Step 2: Convert to fraction form
    5,455.52/7,529.32 = 3,330.60/x
  3. Step 3: Cross multiply
    5,455.52x = 7,529.32 × 3,330.60
  4. Step 4: Simplify right side
    5,455.52x = 25,077,153.19
  5. Step 5: Solve for x
    x = 25,077,153.19/5,455.52
  6. Step 6: Final answer
    x = 4,596.66

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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.