Home / 5,016.69-7,515.32-2,421.45

Finding the Fourth Proportional to 5,016.69, 7,515.32 and 2,421.45

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Solution

The fourth proportional to 5,016.69, 7,515.32 and 2,421.45 is: 3,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.69 : 7,515.32 = 2,421.45 : x
  2. Step 2: Convert to fraction form
    5,016.69/7,515.32 = 2,421.45/x
  3. Step 3: Cross multiply
    5,016.69x = 7,515.32 × 2,421.45
  4. Step 4: Simplify right side
    5,016.69x = 18,197,959.51
  5. Step 5: Solve for x
    x = 18,197,959.51/5,016.69
  6. Step 6: Final answer
    x = 3,627.48

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1.5x scale

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.