Home / 5,312.02-7,968.21-1,416.43

Finding the Fourth Proportional to 5,312.02, 7,968.21 and 1,416.43

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Solution

The fourth proportional to 5,312.02, 7,968.21 and 1,416.43 is: 2,124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.02 : 7,968.21 = 1,416.43 : x
  2. Step 2: Convert to fraction form
    5,312.02/7,968.21 = 1,416.43/x
  3. Step 3: Cross multiply
    5,312.02x = 7,968.21 × 1,416.43
  4. Step 4: Simplify right side
    5,312.02x = 11,286,411.69
  5. Step 5: Solve for x
    x = 11,286,411.69/5,312.02
  6. Step 6: Final answer
    x = 2,124.69

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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.