Home / 6,276.55-8,660.19-4,039.18

Finding the Fourth Proportional to 6,276.55, 8,660.19 and 4,039.18

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Solution

The fourth proportional to 6,276.55, 8,660.19 and 4,039.18 is: 5,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.55 : 8,660.19 = 4,039.18 : x
  2. Step 2: Convert to fraction form
    6,276.55/8,660.19 = 4,039.18/x
  3. Step 3: Cross multiply
    6,276.55x = 8,660.19 × 4,039.18
  4. Step 4: Simplify right side
    6,276.55x = 34,980,066.24
  5. Step 5: Solve for x
    x = 34,980,066.24/6,276.55
  6. Step 6: Final answer
    x = 5,573.14

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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.