Home / 5,261.02-7,890.17-1,562.41

Finding the Fourth Proportional to 5,261.02, 7,890.17 and 1,562.41

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Solution

The fourth proportional to 5,261.02, 7,890.17 and 1,562.41 is: 2,343.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,261.02 : 7,890.17 = 1,562.41 : x
  2. Step 2: Convert to fraction form
    5,261.02/7,890.17 = 1,562.41/x
  3. Step 3: Cross multiply
    5,261.02x = 7,890.17 × 1,562.41
  4. Step 4: Simplify right side
    5,261.02x = 12,327,680.51
  5. Step 5: Solve for x
    x = 12,327,680.51/5,261.02
  6. Step 6: Final answer
    x = 2,343.21

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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.