Home / 4,720.36-7,045.49-4,166.80

Finding the Fourth Proportional to 4,720.36, 7,045.49 and 4,166.80

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Solution

The fourth proportional to 4,720.36, 7,045.49 and 4,166.80 is: 6,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.36 : 7,045.49 = 4,166.80 : x
  2. Step 2: Convert to fraction form
    4,720.36/7,045.49 = 4,166.80/x
  3. Step 3: Cross multiply
    4,720.36x = 7,045.49 × 4,166.80
  4. Step 4: Simplify right side
    4,720.36x = 29,357,147.73
  5. Step 5: Solve for x
    x = 29,357,147.73/4,720.36
  6. Step 6: Final answer
    x = 6,219.26

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1.5x scale

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.