Home / 7,835.60-11,745.91-2,903.92

Finding the Fourth Proportional to 7,835.60, 11,745.91 and 2,903.92

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Solution

The fourth proportional to 7,835.60, 11,745.91 and 2,903.92 is: 4,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.60 : 11,745.91 = 2,903.92 : x
  2. Step 2: Convert to fraction form
    7,835.60/11,745.91 = 2,903.92/x
  3. Step 3: Cross multiply
    7,835.60x = 11,745.91 × 2,903.92
  4. Step 4: Simplify right side
    7,835.60x = 34,109,146.34
  5. Step 5: Solve for x
    x = 34,109,146.34/7,835.60
  6. Step 6: Final answer
    x = 4,353.10

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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.