Home / 4,902.16-6,764.52-3,972.88

Finding the Fourth Proportional to 4,902.16, 6,764.52 and 3,972.88

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Solution

The fourth proportional to 4,902.16, 6,764.52 and 3,972.88 is: 5,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.16 : 6,764.52 = 3,972.88 : x
  2. Step 2: Convert to fraction form
    4,902.16/6,764.52 = 3,972.88/x
  3. Step 3: Cross multiply
    4,902.16x = 6,764.52 × 3,972.88
  4. Step 4: Simplify right side
    4,902.16x = 26,874,626.22
  5. Step 5: Solve for x
    x = 26,874,626.22/4,902.16
  6. Step 6: Final answer
    x = 5,482.20

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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.