Home / 4,765.16-7,147.52-1,302.40

Finding the Fourth Proportional to 4,765.16, 7,147.52 and 1,302.40

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Solution

The fourth proportional to 4,765.16, 7,147.52 and 1,302.40 is: 1,953.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.16 : 7,147.52 = 1,302.40 : x
  2. Step 2: Convert to fraction form
    4,765.16/7,147.52 = 1,302.40/x
  3. Step 3: Cross multiply
    4,765.16x = 7,147.52 × 1,302.40
  4. Step 4: Simplify right side
    4,765.16x = 9,308,930.05
  5. Step 5: Solve for x
    x = 9,308,930.05/4,765.16
  6. Step 6: Final answer
    x = 1,953.54

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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.