Home / 5,635.78-8,453.46-1,740.18

Finding the Fourth Proportional to 5,635.78, 8,453.46 and 1,740.18

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Solution

The fourth proportional to 5,635.78, 8,453.46 and 1,740.18 is: 2,610.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.78 : 8,453.46 = 1,740.18 : x
  2. Step 2: Convert to fraction form
    5,635.78/8,453.46 = 1,740.18/x
  3. Step 3: Cross multiply
    5,635.78x = 8,453.46 × 1,740.18
  4. Step 4: Simplify right side
    5,635.78x = 14,710,542.02
  5. Step 5: Solve for x
    x = 14,710,542.02/5,635.78
  6. Step 6: Final answer
    x = 2,610.21

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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.