Home / 2,915.72-4,023.03-2,445.52

Finding the Fourth Proportional to 2,915.72, 4,023.03 and 2,445.52

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Solution

The fourth proportional to 2,915.72, 4,023.03 and 2,445.52 is: 3,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.72 : 4,023.03 = 2,445.52 : x
  2. Step 2: Convert to fraction form
    2,915.72/4,023.03 = 2,445.52/x
  3. Step 3: Cross multiply
    2,915.72x = 4,023.03 × 2,445.52
  4. Step 4: Simplify right side
    2,915.72x = 9,838,400.33
  5. Step 5: Solve for x
    x = 9,838,400.33/2,915.72
  6. Step 6: Final answer
    x = 3,374.26

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1.5x scale

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.