Home / 5,909.48-8,155.04-3,220.68

Finding the Fourth Proportional to 5,909.48, 8,155.04 and 3,220.68

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Solution

The fourth proportional to 5,909.48, 8,155.04 and 3,220.68 is: 4,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.48 : 8,155.04 = 3,220.68 : x
  2. Step 2: Convert to fraction form
    5,909.48/8,155.04 = 3,220.68/x
  3. Step 3: Cross multiply
    5,909.48x = 8,155.04 × 3,220.68
  4. Step 4: Simplify right side
    5,909.48x = 26,264,758.12
  5. Step 5: Solve for x
    x = 26,264,758.12/5,909.48
  6. Step 6: Final answer
    x = 4,444.52

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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.