Home / 2,621.52-3,947.88-2,364.48

Finding the Fourth Proportional to 2,621.52, 3,947.88 and 2,364.48

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Solution

The fourth proportional to 2,621.52, 3,947.88 and 2,364.48 is: 3,560.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.52 : 3,947.88 = 2,364.48 : x
  2. Step 2: Convert to fraction form
    2,621.52/3,947.88 = 2,364.48/x
  3. Step 3: Cross multiply
    2,621.52x = 3,947.88 × 2,364.48
  4. Step 4: Simplify right side
    2,621.52x = 9,334,683.30
  5. Step 5: Solve for x
    x = 9,334,683.30/2,621.52
  6. Step 6: Final answer
    x = 3,560.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.