Home / 5,215.92-7,201.08-4,632.72

Finding the Fourth Proportional to 5,215.92, 7,201.08 and 4,632.72

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Solution

The fourth proportional to 5,215.92, 7,201.08 and 4,632.72 is: 6,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.92 : 7,201.08 = 4,632.72 : x
  2. Step 2: Convert to fraction form
    5,215.92/7,201.08 = 4,632.72/x
  3. Step 3: Cross multiply
    5,215.92x = 7,201.08 × 4,632.72
  4. Step 4: Simplify right side
    5,215.92x = 33,360,587.34
  5. Step 5: Solve for x
    x = 33,360,587.34/5,215.92
  6. Step 6: Final answer
    x = 6,395.92

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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.