Home / 5,164.54-7,124.68-3,487.02

Finding the Fourth Proportional to 5,164.54, 7,124.68 and 3,487.02

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Solution

The fourth proportional to 5,164.54, 7,124.68 and 3,487.02 is: 4,810.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.54 : 7,124.68 = 3,487.02 : x
  2. Step 2: Convert to fraction form
    5,164.54/7,124.68 = 3,487.02/x
  3. Step 3: Cross multiply
    5,164.54x = 7,124.68 × 3,487.02
  4. Step 4: Simplify right side
    5,164.54x = 24,843,901.65
  5. Step 5: Solve for x
    x = 24,843,901.65/5,164.54
  6. Step 6: Final answer
    x = 4,810.48

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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.