Home / 4,972.32-6,858.95-3,106.08

Finding the Fourth Proportional to 4,972.32, 6,858.95 and 3,106.08

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Solution

The fourth proportional to 4,972.32, 6,858.95 and 3,106.08 is: 4,284.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.32 : 6,858.95 = 3,106.08 : x
  2. Step 2: Convert to fraction form
    4,972.32/6,858.95 = 3,106.08/x
  3. Step 3: Cross multiply
    4,972.32x = 6,858.95 × 3,106.08
  4. Step 4: Simplify right side
    4,972.32x = 21,304,431.89
  5. Step 5: Solve for x
    x = 21,304,431.89/4,972.32
  6. Step 6: Final answer
    x = 4,284.61

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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.