Home / 5,254.12-7,877.32-2,479.23

Finding the Fourth Proportional to 5,254.12, 7,877.32 and 2,479.23

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Solution

The fourth proportional to 5,254.12, 7,877.32 and 2,479.23 is: 3,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.12 : 7,877.32 = 2,479.23 : x
  2. Step 2: Convert to fraction form
    5,254.12/7,877.32 = 2,479.23/x
  3. Step 3: Cross multiply
    5,254.12x = 7,877.32 × 2,479.23
  4. Step 4: Simplify right side
    5,254.12x = 19,529,688.06
  5. Step 5: Solve for x
    x = 19,529,688.06/5,254.12
  6. Step 6: Final answer
    x = 3,717.02

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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.