Home / 5,821.07-8,031.76-4,880.66

Finding the Fourth Proportional to 5,821.07, 8,031.76 and 4,880.66

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Solution

The fourth proportional to 5,821.07, 8,031.76 and 4,880.66 is: 6,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.07 : 8,031.76 = 4,880.66 : x
  2. Step 2: Convert to fraction form
    5,821.07/8,031.76 = 4,880.66/x
  3. Step 3: Cross multiply
    5,821.07x = 8,031.76 × 4,880.66
  4. Step 4: Simplify right side
    5,821.07x = 39,200,237.40
  5. Step 5: Solve for x
    x = 39,200,237.40/5,821.07
  6. Step 6: Final answer
    x = 6,734.20

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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.