Home / 5,348.48-8,029.20-4,985.60

Finding the Fourth Proportional to 5,348.48, 8,029.20 and 4,985.60

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Solution

The fourth proportional to 5,348.48, 8,029.20 and 4,985.60 is: 7,484.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,348.48 : 8,029.20 = 4,985.60 : x
  2. Step 2: Convert to fraction form
    5,348.48/8,029.20 = 4,985.60/x
  3. Step 3: Cross multiply
    5,348.48x = 8,029.20 × 4,985.60
  4. Step 4: Simplify right side
    5,348.48x = 40,030,379.52
  5. Step 5: Solve for x
    x = 40,030,379.52/5,348.48
  6. Step 6: Final answer
    x = 7,484.44

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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.