Home / 2,567.84-3,539.58-2,097.68

Finding the Fourth Proportional to 2,567.84, 3,539.58 and 2,097.68

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Solution

The fourth proportional to 2,567.84, 3,539.58 and 2,097.68 is: 2,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.84 : 3,539.58 = 2,097.68 : x
  2. Step 2: Convert to fraction form
    2,567.84/3,539.58 = 2,097.68/x
  3. Step 3: Cross multiply
    2,567.84x = 3,539.58 × 2,097.68
  4. Step 4: Simplify right side
    2,567.84x = 7,424,906.17
  5. Step 5: Solve for x
    x = 7,424,906.17/2,567.84
  6. Step 6: Final answer
    x = 2,891.50

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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.