Home / 5,235.60-7,225.44-2,877.92

Finding the Fourth Proportional to 5,235.60, 7,225.44 and 2,877.92

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Solution

The fourth proportional to 5,235.60, 7,225.44 and 2,877.92 is: 3,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.60 : 7,225.44 = 2,877.92 : x
  2. Step 2: Convert to fraction form
    5,235.60/7,225.44 = 2,877.92/x
  3. Step 3: Cross multiply
    5,235.60x = 7,225.44 × 2,877.92
  4. Step 4: Simplify right side
    5,235.60x = 20,794,238.28
  5. Step 5: Solve for x
    x = 20,794,238.28/5,235.60
  6. Step 6: Final answer
    x = 3,971.70

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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.