Home / 5,911.48-8,160.80-4,582.20

Finding the Fourth Proportional to 5,911.48, 8,160.80 and 4,582.20

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Solution

The fourth proportional to 5,911.48, 8,160.80 and 4,582.20 is: 6,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.48 : 8,160.80 = 4,582.20 : x
  2. Step 2: Convert to fraction form
    5,911.48/8,160.80 = 4,582.20/x
  3. Step 3: Cross multiply
    5,911.48x = 8,160.80 × 4,582.20
  4. Step 4: Simplify right side
    5,911.48x = 37,394,417.76
  5. Step 5: Solve for x
    x = 37,394,417.76/5,911.48
  6. Step 6: Final answer
    x = 6,325.73

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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.