Home / 5,587.88-7,710.72-3,230.80

Finding the Fourth Proportional to 5,587.88, 7,710.72 and 3,230.80

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Solution

The fourth proportional to 5,587.88, 7,710.72 and 3,230.80 is: 4,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.88 : 7,710.72 = 3,230.80 : x
  2. Step 2: Convert to fraction form
    5,587.88/7,710.72 = 3,230.80/x
  3. Step 3: Cross multiply
    5,587.88x = 7,710.72 × 3,230.80
  4. Step 4: Simplify right side
    5,587.88x = 24,911,794.18
  5. Step 5: Solve for x
    x = 24,911,794.18/5,587.88
  6. Step 6: Final answer
    x = 4,458.18

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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.