Home / 7,721.92-10,652.72-4,576.32

Finding the Fourth Proportional to 7,721.92, 10,652.72 and 4,576.32

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Solution

The fourth proportional to 7,721.92, 10,652.72 and 4,576.32 is: 6,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721.92 : 10,652.72 = 4,576.32 : x
  2. Step 2: Convert to fraction form
    7,721.92/10,652.72 = 4,576.32/x
  3. Step 3: Cross multiply
    7,721.92x = 10,652.72 × 4,576.32
  4. Step 4: Simplify right side
    7,721.92x = 48,750,255.59
  5. Step 5: Solve for x
    x = 48,750,255.59/7,721.92
  6. Step 6: Final answer
    x = 6,313.23

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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.