Home / 5,175.23-7,762.91-1,477.58

Finding the Fourth Proportional to 5,175.23, 7,762.91 and 1,477.58

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Solution

The fourth proportional to 5,175.23, 7,762.91 and 1,477.58 is: 2,216.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.23 : 7,762.91 = 1,477.58 : x
  2. Step 2: Convert to fraction form
    5,175.23/7,762.91 = 1,477.58/x
  3. Step 3: Cross multiply
    5,175.23x = 7,762.91 × 1,477.58
  4. Step 4: Simplify right side
    5,175.23x = 11,470,274.36
  5. Step 5: Solve for x
    x = 11,470,274.36/5,175.23
  6. Step 6: Final answer
    x = 2,216.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.