Home / 5,355.18-8,033.53-1,657.68

Finding the Fourth Proportional to 5,355.18, 8,033.53 and 1,657.68

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Solution

The fourth proportional to 5,355.18, 8,033.53 and 1,657.68 is: 2,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.18 : 8,033.53 = 1,657.68 : x
  2. Step 2: Convert to fraction form
    5,355.18/8,033.53 = 1,657.68/x
  3. Step 3: Cross multiply
    5,355.18x = 8,033.53 × 1,657.68
  4. Step 4: Simplify right side
    5,355.18x = 13,317,022.01
  5. Step 5: Solve for x
    x = 13,317,022.01/5,355.18
  6. Step 6: Final answer
    x = 2,486.76

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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.