Home / 5,506.50-8,220.12-4,718

Finding the Fourth Proportional to 5,506.50, 8,220.12 and 4,718

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Solution

The fourth proportional to 5,506.50, 8,220.12 and 4,718 is: 7,043.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.50 : 8,220.12 = 4,718 : x
  2. Step 2: Convert to fraction form
    5,506.50/8,220.12 = 4,718/x
  3. Step 3: Cross multiply
    5,506.50x = 8,220.12 × 4,718
  4. Step 4: Simplify right side
    5,506.50x = 38,782,526.16
  5. Step 5: Solve for x
    x = 38,782,526.16/5,506.50
  6. Step 6: Final answer
    x = 7,043.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.