Home / 5,114.24-7,671.53-1,416.51

Finding the Fourth Proportional to 5,114.24, 7,671.53 and 1,416.51

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Solution

The fourth proportional to 5,114.24, 7,671.53 and 1,416.51 is: 2,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.24 : 7,671.53 = 1,416.51 : x
  2. Step 2: Convert to fraction form
    5,114.24/7,671.53 = 1,416.51/x
  3. Step 3: Cross multiply
    5,114.24x = 7,671.53 × 1,416.51
  4. Step 4: Simplify right side
    5,114.24x = 10,866,802.50
  5. Step 5: Solve for x
    x = 10,866,802.50/5,114.24
  6. Step 6: Final answer
    x = 2,124.81

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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.