Home / 3,580.60-5,370.26-983.32

Finding the Fourth Proportional to 3,580.60, 5,370.26 and 983.32

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Solution

The fourth proportional to 3,580.60, 5,370.26 and 983.32 is: 1,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.60 : 5,370.26 = 983.32 : x
  2. Step 2: Convert to fraction form
    3,580.60/5,370.26 = 983.32/x
  3. Step 3: Cross multiply
    3,580.60x = 5,370.26 × 983.32
  4. Step 4: Simplify right side
    3,580.60x = 5,280,684.06
  5. Step 5: Solve for x
    x = 5,280,684.06/3,580.60
  6. Step 6: Final answer
    x = 1,474.80

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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.