Home / 5,076.32-6,999.52-4,129.52

Finding the Fourth Proportional to 5,076.32, 6,999.52 and 4,129.52

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Solution

The fourth proportional to 5,076.32, 6,999.52 and 4,129.52 is: 5,694.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.32 : 6,999.52 = 4,129.52 : x
  2. Step 2: Convert to fraction form
    5,076.32/6,999.52 = 4,129.52/x
  3. Step 3: Cross multiply
    5,076.32x = 6,999.52 × 4,129.52
  4. Step 4: Simplify right side
    5,076.32x = 28,904,657.83
  5. Step 5: Solve for x
    x = 28,904,657.83/5,076.32
  6. Step 6: Final answer
    x = 5,694.02

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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.