Home / 5,114.29-7,671.41-1,416.50

Finding the Fourth Proportional to 5,114.29, 7,671.41 and 1,416.50

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Solution

The fourth proportional to 5,114.29, 7,671.41 and 1,416.50 is: 2,124.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.29 : 7,671.41 = 1,416.50 : x
  2. Step 2: Convert to fraction form
    5,114.29/7,671.41 = 1,416.50/x
  3. Step 3: Cross multiply
    5,114.29x = 7,671.41 × 1,416.50
  4. Step 4: Simplify right side
    5,114.29x = 10,866,552.27
  5. Step 5: Solve for x
    x = 10,866,552.27/5,114.29
  6. Step 6: Final answer
    x = 2,124.74

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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.