Home / 5,099.88-7,038.32-2,862.14

Finding the Fourth Proportional to 5,099.88, 7,038.32 and 2,862.14

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Solution

The fourth proportional to 5,099.88, 7,038.32 and 2,862.14 is: 3,950.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.88 : 7,038.32 = 2,862.14 : x
  2. Step 2: Convert to fraction form
    5,099.88/7,038.32 = 2,862.14/x
  3. Step 3: Cross multiply
    5,099.88x = 7,038.32 × 2,862.14
  4. Step 4: Simplify right side
    5,099.88x = 20,144,657.20
  5. Step 5: Solve for x
    x = 20,144,657.20/5,099.88
  6. Step 6: Final answer
    x = 3,950.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.