Home / 5,740.98-8,612.28-1,845.42

Finding the Fourth Proportional to 5,740.98, 8,612.28 and 1,845.42

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Solution

The fourth proportional to 5,740.98, 8,612.28 and 1,845.42 is: 2,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.98 : 8,612.28 = 1,845.42 : x
  2. Step 2: Convert to fraction form
    5,740.98/8,612.28 = 1,845.42/x
  3. Step 3: Cross multiply
    5,740.98x = 8,612.28 × 1,845.42
  4. Step 4: Simplify right side
    5,740.98x = 15,893,273.76
  5. Step 5: Solve for x
    x = 15,893,273.76/5,740.98
  6. Step 6: Final answer
    x = 2,768.39

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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.