Home / 5,567.11-7,678.92-3,580.18

Finding the Fourth Proportional to 5,567.11, 7,678.92 and 3,580.18

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Solution

The fourth proportional to 5,567.11, 7,678.92 and 3,580.18 is: 4,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,567.11 : 7,678.92 = 3,580.18 : x
  2. Step 2: Convert to fraction form
    5,567.11/7,678.92 = 3,580.18/x
  3. Step 3: Cross multiply
    5,567.11x = 7,678.92 × 3,580.18
  4. Step 4: Simplify right side
    5,567.11x = 27,491,915.81
  5. Step 5: Solve for x
    x = 27,491,915.81/5,567.11
  6. Step 6: Final answer
    x = 4,938.27

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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.