Home / 5,256.60-7,881.25-2,480.93

Finding the Fourth Proportional to 5,256.60, 7,881.25 and 2,480.93

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Solution

The fourth proportional to 5,256.60, 7,881.25 and 2,480.93 is: 3,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.60 : 7,881.25 = 2,480.93 : x
  2. Step 2: Convert to fraction form
    5,256.60/7,881.25 = 2,480.93/x
  3. Step 3: Cross multiply
    5,256.60x = 7,881.25 × 2,480.93
  4. Step 4: Simplify right side
    5,256.60x = 19,552,829.56
  5. Step 5: Solve for x
    x = 19,552,829.56/5,256.60
  6. Step 6: Final answer
    x = 3,719.67

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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.