Home / 2,915.45-4,372.08-1,066.02

Finding the Fourth Proportional to 2,915.45, 4,372.08 and 1,066.02

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Solution

The fourth proportional to 2,915.45, 4,372.08 and 1,066.02 is: 1,598.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.45 : 4,372.08 = 1,066.02 : x
  2. Step 2: Convert to fraction form
    2,915.45/4,372.08 = 1,066.02/x
  3. Step 3: Cross multiply
    2,915.45x = 4,372.08 × 1,066.02
  4. Step 4: Simplify right side
    2,915.45x = 4,660,724.72
  5. Step 5: Solve for x
    x = 4,660,724.72/2,915.45
  6. Step 6: Final answer
    x = 1,598.63

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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.