Home / 5,587.02-8,381.61-2,124

Finding the Fourth Proportional to 5,587.02, 8,381.61 and 2,124

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Solution

The fourth proportional to 5,587.02, 8,381.61 and 2,124 is: 3,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.02 : 8,381.61 = 2,124 : x
  2. Step 2: Convert to fraction form
    5,587.02/8,381.61 = 2,124/x
  3. Step 3: Cross multiply
    5,587.02x = 8,381.61 × 2,124
  4. Step 4: Simplify right side
    5,587.02x = 17,802,539.64
  5. Step 5: Solve for x
    x = 17,802,539.64/5,587.02
  6. Step 6: Final answer
    x = 3,186.41

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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.