Home / 7,400.62-10,214.40-4,258.54

Finding the Fourth Proportional to 7,400.62, 10,214.40 and 4,258.54

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Solution

The fourth proportional to 7,400.62, 10,214.40 and 4,258.54 is: 5,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.62 : 10,214.40 = 4,258.54 : x
  2. Step 2: Convert to fraction form
    7,400.62/10,214.40 = 4,258.54/x
  3. Step 3: Cross multiply
    7,400.62x = 10,214.40 × 4,258.54
  4. Step 4: Simplify right side
    7,400.62x = 43,498,430.98
  5. Step 5: Solve for x
    x = 43,498,430.98/7,400.62
  6. Step 6: Final answer
    x = 5,877.67

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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.