Home / 4,725.40-6,520.74-2,629.48

Finding the Fourth Proportional to 4,725.40, 6,520.74 and 2,629.48

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Solution

The fourth proportional to 4,725.40, 6,520.74 and 2,629.48 is: 3,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.40 : 6,520.74 = 2,629.48 : x
  2. Step 2: Convert to fraction form
    4,725.40/6,520.74 = 2,629.48/x
  3. Step 3: Cross multiply
    4,725.40x = 6,520.74 × 2,629.48
  4. Step 4: Simplify right side
    4,725.40x = 17,146,155.42
  5. Step 5: Solve for x
    x = 17,146,155.42/4,725.40
  6. Step 6: Final answer
    x = 3,628.51

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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.