Home / 5,357.90-8,032.24-2,586.52

Finding the Fourth Proportional to 5,357.90, 8,032.24 and 2,586.52

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Solution

The fourth proportional to 5,357.90, 8,032.24 and 2,586.52 is: 3,877.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.90 : 8,032.24 = 2,586.52 : x
  2. Step 2: Convert to fraction form
    5,357.90/8,032.24 = 2,586.52/x
  3. Step 3: Cross multiply
    5,357.90x = 8,032.24 × 2,586.52
  4. Step 4: Simplify right side
    5,357.90x = 20,775,549.40
  5. Step 5: Solve for x
    x = 20,775,549.40/5,357.90
  6. Step 6: Final answer
    x = 3,877.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.