Home / 2,526.62-3,486.93-1,643.18

Finding the Fourth Proportional to 2,526.62, 3,486.93 and 1,643.18

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Solution

The fourth proportional to 2,526.62, 3,486.93 and 1,643.18 is: 2,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.62 : 3,486.93 = 1,643.18 : x
  2. Step 2: Convert to fraction form
    2,526.62/3,486.93 = 1,643.18/x
  3. Step 3: Cross multiply
    2,526.62x = 3,486.93 × 1,643.18
  4. Step 4: Simplify right side
    2,526.62x = 5,729,653.64
  5. Step 5: Solve for x
    x = 5,729,653.64/2,526.62
  6. Step 6: Final answer
    x = 2,267.71

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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.