Home / 5,374.02-8,061.30-1,864.20

Finding the Fourth Proportional to 5,374.02, 8,061.30 and 1,864.20

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Solution

The fourth proportional to 5,374.02, 8,061.30 and 1,864.20 is: 2,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.02 : 8,061.30 = 1,864.20 : x
  2. Step 2: Convert to fraction form
    5,374.02/8,061.30 = 1,864.20/x
  3. Step 3: Cross multiply
    5,374.02x = 8,061.30 × 1,864.20
  4. Step 4: Simplify right side
    5,374.02x = 15,027,875.46
  5. Step 5: Solve for x
    x = 15,027,875.46/5,374.02
  6. Step 6: Final answer
    x = 2,796.39

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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.