Home / 5,254.40-7,881.75-2,482.38

Finding the Fourth Proportional to 5,254.40, 7,881.75 and 2,482.38

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Solution

The fourth proportional to 5,254.40, 7,881.75 and 2,482.38 is: 3,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.40 : 7,881.75 = 2,482.38 : x
  2. Step 2: Convert to fraction form
    5,254.40/7,881.75 = 2,482.38/x
  3. Step 3: Cross multiply
    5,254.40x = 7,881.75 × 2,482.38
  4. Step 4: Simplify right side
    5,254.40x = 19,565,498.57
  5. Step 5: Solve for x
    x = 19,565,498.57/5,254.40
  6. Step 6: Final answer
    x = 3,723.64

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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.