Home / 5,282.04-7,920.90-1,995.06

Finding the Fourth Proportional to 5,282.04, 7,920.90 and 1,995.06

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Solution

The fourth proportional to 5,282.04, 7,920.90 and 1,995.06 is: 2,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.04 : 7,920.90 = 1,995.06 : x
  2. Step 2: Convert to fraction form
    5,282.04/7,920.90 = 1,995.06/x
  3. Step 3: Cross multiply
    5,282.04x = 7,920.90 × 1,995.06
  4. Step 4: Simplify right side
    5,282.04x = 15,802,670.75
  5. Step 5: Solve for x
    x = 15,802,670.75/5,282.04
  6. Step 6: Final answer
    x = 2,991.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.