Home / 5,456.70-7,530.93-3,099.60

Finding the Fourth Proportional to 5,456.70, 7,530.93 and 3,099.60

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Solution

The fourth proportional to 5,456.70, 7,530.93 and 3,099.60 is: 4,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.70 : 7,530.93 = 3,099.60 : x
  2. Step 2: Convert to fraction form
    5,456.70/7,530.93 = 3,099.60/x
  3. Step 3: Cross multiply
    5,456.70x = 7,530.93 × 3,099.60
  4. Step 4: Simplify right side
    5,456.70x = 23,342,870.63
  5. Step 5: Solve for x
    x = 23,342,870.63/5,456.70
  6. Step 6: Final answer
    x = 4,277.84

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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.