Home / 5,987.62-8,265.80-4,640.18

Finding the Fourth Proportional to 5,987.62, 8,265.80 and 4,640.18

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Solution

The fourth proportional to 5,987.62, 8,265.80 and 4,640.18 is: 6,405.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.62 : 8,265.80 = 4,640.18 : x
  2. Step 2: Convert to fraction form
    5,987.62/8,265.80 = 4,640.18/x
  3. Step 3: Cross multiply
    5,987.62x = 8,265.80 × 4,640.18
  4. Step 4: Simplify right side
    5,987.62x = 38,354,832.11
  5. Step 5: Solve for x
    x = 38,354,832.11/5,987.62
  6. Step 6: Final answer
    x = 6,405.69

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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.