Home / 5,368.40-8,052.60-3,728.15

Finding the Fourth Proportional to 5,368.40, 8,052.60 and 3,728.15

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Solution

The fourth proportional to 5,368.40, 8,052.60 and 3,728.15 is: 5,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.40 : 8,052.60 = 3,728.15 : x
  2. Step 2: Convert to fraction form
    5,368.40/8,052.60 = 3,728.15/x
  3. Step 3: Cross multiply
    5,368.40x = 8,052.60 × 3,728.15
  4. Step 4: Simplify right side
    5,368.40x = 30,021,300.69
  5. Step 5: Solve for x
    x = 30,021,300.69/5,368.40
  6. Step 6: Final answer
    x = 5,592.23

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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.