Home / 5,364.36-7,401.60-3,125.70

Finding the Fourth Proportional to 5,364.36, 7,401.60 and 3,125.70

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Solution

The fourth proportional to 5,364.36, 7,401.60 and 3,125.70 is: 4,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364.36 : 7,401.60 = 3,125.70 : x
  2. Step 2: Convert to fraction form
    5,364.36/7,401.60 = 3,125.70/x
  3. Step 3: Cross multiply
    5,364.36x = 7,401.60 × 3,125.70
  4. Step 4: Simplify right side
    5,364.36x = 23,135,181.12
  5. Step 5: Solve for x
    x = 23,135,181.12/5,364.36
  6. Step 6: Final answer
    x = 4,312.76

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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.