Home / 4,681.75-7,018.28-1,761.99

Finding the Fourth Proportional to 4,681.75, 7,018.28 and 1,761.99

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Solution

The fourth proportional to 4,681.75, 7,018.28 and 1,761.99 is: 2,641.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.75 : 7,018.28 = 1,761.99 : x
  2. Step 2: Convert to fraction form
    4,681.75/7,018.28 = 1,761.99/x
  3. Step 3: Cross multiply
    4,681.75x = 7,018.28 × 1,761.99
  4. Step 4: Simplify right side
    4,681.75x = 12,366,099.68
  5. Step 5: Solve for x
    x = 12,366,099.68/4,681.75
  6. Step 6: Final answer
    x = 2,641.34

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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.