Home / 4,078.84-5,624.88-2,587

Finding the Fourth Proportional to 4,078.84, 5,624.88 and 2,587

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Solution

The fourth proportional to 4,078.84, 5,624.88 and 2,587 is: 3,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.84 : 5,624.88 = 2,587 : x
  2. Step 2: Convert to fraction form
    4,078.84/5,624.88 = 2,587/x
  3. Step 3: Cross multiply
    4,078.84x = 5,624.88 × 2,587
  4. Step 4: Simplify right side
    4,078.84x = 14,551,564.56
  5. Step 5: Solve for x
    x = 14,551,564.56/4,078.84
  6. Step 6: Final answer
    x = 3,567.57

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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.