Home / 6,115.64-8,439.59-3,597.84

Finding the Fourth Proportional to 6,115.64, 8,439.59 and 3,597.84

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Solution

The fourth proportional to 6,115.64, 8,439.59 and 3,597.84 is: 4,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.64 : 8,439.59 = 3,597.84 : x
  2. Step 2: Convert to fraction form
    6,115.64/8,439.59 = 3,597.84/x
  3. Step 3: Cross multiply
    6,115.64x = 8,439.59 × 3,597.84
  4. Step 4: Simplify right side
    6,115.64x = 30,364,303.48
  5. Step 5: Solve for x
    x = 30,364,303.48/6,115.64
  6. Step 6: Final answer
    x = 4,965.03

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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.