Home / 5,369.28-7,402.32-3,975.36

Finding the Fourth Proportional to 5,369.28, 7,402.32 and 3,975.36

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Solution

The fourth proportional to 5,369.28, 7,402.32 and 3,975.36 is: 5,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.28 : 7,402.32 = 3,975.36 : x
  2. Step 2: Convert to fraction form
    5,369.28/7,402.32 = 3,975.36/x
  3. Step 3: Cross multiply
    5,369.28x = 7,402.32 × 3,975.36
  4. Step 4: Simplify right side
    5,369.28x = 29,426,886.84
  5. Step 5: Solve for x
    x = 29,426,886.84/5,369.28
  6. Step 6: Final answer
    x = 5,480.60

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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.