Home / 5,087.60-7,021.74-3,098.93

Finding the Fourth Proportional to 5,087.60, 7,021.74 and 3,098.93

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Solution

The fourth proportional to 5,087.60, 7,021.74 and 3,098.93 is: 4,277.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.60 : 7,021.74 = 3,098.93 : x
  2. Step 2: Convert to fraction form
    5,087.60/7,021.74 = 3,098.93/x
  3. Step 3: Cross multiply
    5,087.60x = 7,021.74 × 3,098.93
  4. Step 4: Simplify right side
    5,087.60x = 21,759,880.74
  5. Step 5: Solve for x
    x = 21,759,880.74/5,087.60
  6. Step 6: Final answer
    x = 4,277.04

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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.