Home / 6,181.47-8,531.06-3,529.28

Finding the Fourth Proportional to 6,181.47, 8,531.06 and 3,529.28

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Solution

The fourth proportional to 6,181.47, 8,531.06 and 3,529.28 is: 4,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.47 : 8,531.06 = 3,529.28 : x
  2. Step 2: Convert to fraction form
    6,181.47/8,531.06 = 3,529.28/x
  3. Step 3: Cross multiply
    6,181.47x = 8,531.06 × 3,529.28
  4. Step 4: Simplify right side
    6,181.47x = 30,108,503.12
  5. Step 5: Solve for x
    x = 30,108,503.12/6,181.47
  6. Step 6: Final answer
    x = 4,870.77

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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.