Home / 5,355.06-8,033.35-1,657.58

Finding the Fourth Proportional to 5,355.06, 8,033.35 and 1,657.58

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Solution

The fourth proportional to 5,355.06, 8,033.35 and 1,657.58 is: 2,486.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.06 : 8,033.35 = 1,657.58 : x
  2. Step 2: Convert to fraction form
    5,355.06/8,033.35 = 1,657.58/x
  3. Step 3: Cross multiply
    5,355.06x = 8,033.35 × 1,657.58
  4. Step 4: Simplify right side
    5,355.06x = 13,315,880.13
  5. Step 5: Solve for x
    x = 13,315,880.13/5,355.06
  6. Step 6: Final answer
    x = 2,486.60

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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.