Home / 2,590.31-3,568.55-2,275.04

Finding the Fourth Proportional to 2,590.31, 3,568.55 and 2,275.04

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Solution

The fourth proportional to 2,590.31, 3,568.55 and 2,275.04 is: 3,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.31 : 3,568.55 = 2,275.04 : x
  2. Step 2: Convert to fraction form
    2,590.31/3,568.55 = 2,275.04/x
  3. Step 3: Cross multiply
    2,590.31x = 3,568.55 × 2,275.04
  4. Step 4: Simplify right side
    2,590.31x = 8,118,564.77
  5. Step 5: Solve for x
    x = 8,118,564.77/2,590.31
  6. Step 6: Final answer
    x = 3,134.21

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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.