Home / 2,915.22-4,022.34-2,445.02

Finding the Fourth Proportional to 2,915.22, 4,022.34 and 2,445.02

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Solution

The fourth proportional to 2,915.22, 4,022.34 and 2,445.02 is: 3,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.22 : 4,022.34 = 2,445.02 : x
  2. Step 2: Convert to fraction form
    2,915.22/4,022.34 = 2,445.02/x
  3. Step 3: Cross multiply
    2,915.22x = 4,022.34 × 2,445.02
  4. Step 4: Simplify right side
    2,915.22x = 9,834,681.64
  5. Step 5: Solve for x
    x = 9,834,681.64/2,915.22
  6. Step 6: Final answer
    x = 3,373.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.