Home / 5,735.60-7,909.36-5,283.64

Finding the Fourth Proportional to 5,735.60, 7,909.36 and 5,283.64

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Solution

The fourth proportional to 5,735.60, 7,909.36 and 5,283.64 is: 7,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.60 : 7,909.36 = 5,283.64 : x
  2. Step 2: Convert to fraction form
    5,735.60/7,909.36 = 5,283.64/x
  3. Step 3: Cross multiply
    5,735.60x = 7,909.36 × 5,283.64
  4. Step 4: Simplify right side
    5,735.60x = 41,790,210.87
  5. Step 5: Solve for x
    x = 41,790,210.87/5,735.60
  6. Step 6: Final answer
    x = 7,286.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.