Home / 3,312.54-4,573.26-2,976.30

Finding the Fourth Proportional to 3,312.54, 4,573.26 and 2,976.30

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Solution

The fourth proportional to 3,312.54, 4,573.26 and 2,976.30 is: 4,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.54 : 4,573.26 = 2,976.30 : x
  2. Step 2: Convert to fraction form
    3,312.54/4,573.26 = 2,976.30/x
  3. Step 3: Cross multiply
    3,312.54x = 4,573.26 × 2,976.30
  4. Step 4: Simplify right side
    3,312.54x = 13,611,393.74
  5. Step 5: Solve for x
    x = 13,611,393.74/3,312.54
  6. Step 6: Final answer
    x = 4,109.05

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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.