Home / 5,455.59-7,528.77-3,097.79

Finding the Fourth Proportional to 5,455.59, 7,528.77 and 3,097.79

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Solution

The fourth proportional to 5,455.59, 7,528.77 and 3,097.79 is: 4,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.59 : 7,528.77 = 3,097.79 : x
  2. Step 2: Convert to fraction form
    5,455.59/7,528.77 = 3,097.79/x
  3. Step 3: Cross multiply
    5,455.59x = 7,528.77 × 3,097.79
  4. Step 4: Simplify right side
    5,455.59x = 23,322,510.77
  5. Step 5: Solve for x
    x = 23,322,510.77/5,455.59
  6. Step 6: Final answer
    x = 4,274.97

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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.