Home / 2,925.90-4,351.20-2,833.60

Finding the Fourth Proportional to 2,925.90, 4,351.20 and 2,833.60

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Solution

The fourth proportional to 2,925.90, 4,351.20 and 2,833.60 is: 4,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.90 : 4,351.20 = 2,833.60 : x
  2. Step 2: Convert to fraction form
    2,925.90/4,351.20 = 2,833.60/x
  3. Step 3: Cross multiply
    2,925.90x = 4,351.20 × 2,833.60
  4. Step 4: Simplify right side
    2,925.90x = 12,329,560.32
  5. Step 5: Solve for x
    x = 12,329,560.32/2,925.90
  6. Step 6: Final answer
    x = 4,213.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.