Home / 6,129.56-8,458.88-3,335.06

Finding the Fourth Proportional to 6,129.56, 8,458.88 and 3,335.06

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Solution

The fourth proportional to 6,129.56, 8,458.88 and 3,335.06 is: 4,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.56 : 8,458.88 = 3,335.06 : x
  2. Step 2: Convert to fraction form
    6,129.56/8,458.88 = 3,335.06/x
  3. Step 3: Cross multiply
    6,129.56x = 8,458.88 × 3,335.06
  4. Step 4: Simplify right side
    6,129.56x = 28,210,876.80
  5. Step 5: Solve for x
    x = 28,210,876.80/6,129.56
  6. Step 6: Final answer
    x = 4,602.43

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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.