Home / 5,051.36-7,575.12-1,764.08

Finding the Fourth Proportional to 5,051.36, 7,575.12 and 1,764.08

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Solution

The fourth proportional to 5,051.36, 7,575.12 and 1,764.08 is: 2,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.36 : 7,575.12 = 1,764.08 : x
  2. Step 2: Convert to fraction form
    5,051.36/7,575.12 = 1,764.08/x
  3. Step 3: Cross multiply
    5,051.36x = 7,575.12 × 1,764.08
  4. Step 4: Simplify right side
    5,051.36x = 13,363,117.69
  5. Step 5: Solve for x
    x = 13,363,117.69/5,051.36
  6. Step 6: Final answer
    x = 2,645.45

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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.