Home / 5,915.94-8,875.13-2,218.16

Finding the Fourth Proportional to 5,915.94, 8,875.13 and 2,218.16

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Solution

The fourth proportional to 5,915.94, 8,875.13 and 2,218.16 is: 3,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,915.94 : 8,875.13 = 2,218.16 : x
  2. Step 2: Convert to fraction form
    5,915.94/8,875.13 = 2,218.16/x
  3. Step 3: Cross multiply
    5,915.94x = 8,875.13 × 2,218.16
  4. Step 4: Simplify right side
    5,915.94x = 19,686,402.89
  5. Step 5: Solve for x
    x = 19,686,402.89/5,915.94
  6. Step 6: Final answer
    x = 3,327.69

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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.