Home / 5,018.69-7,518.32-2,423.45

Finding the Fourth Proportional to 5,018.69, 7,518.32 and 2,423.45

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Solution

The fourth proportional to 5,018.69, 7,518.32 and 2,423.45 is: 3,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,018.69 : 7,518.32 = 2,423.45 : x
  2. Step 2: Convert to fraction form
    5,018.69/7,518.32 = 2,423.45/x
  3. Step 3: Cross multiply
    5,018.69x = 7,518.32 × 2,423.45
  4. Step 4: Simplify right side
    5,018.69x = 18,220,260.49
  5. Step 5: Solve for x
    x = 18,220,260.49/5,018.69
  6. Step 6: Final answer
    x = 3,630.48

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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.