Home / 5,610.40-8,415.60-4,735.60

Finding the Fourth Proportional to 5,610.40, 8,415.60 and 4,735.60

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Solution

The fourth proportional to 5,610.40, 8,415.60 and 4,735.60 is: 7,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.40 : 8,415.60 = 4,735.60 : x
  2. Step 2: Convert to fraction form
    5,610.40/8,415.60 = 4,735.60/x
  3. Step 3: Cross multiply
    5,610.40x = 8,415.60 × 4,735.60
  4. Step 4: Simplify right side
    5,610.40x = 39,852,915.36
  5. Step 5: Solve for x
    x = 39,852,915.36/5,610.40
  6. Step 6: Final answer
    x = 7,103.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.