Home / 5,159.72-7,740.05-1,462.34

Finding the Fourth Proportional to 5,159.72, 7,740.05 and 1,462.34

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Solution

The fourth proportional to 5,159.72, 7,740.05 and 1,462.34 is: 2,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.72 : 7,740.05 = 1,462.34 : x
  2. Step 2: Convert to fraction form
    5,159.72/7,740.05 = 1,462.34/x
  3. Step 3: Cross multiply
    5,159.72x = 7,740.05 × 1,462.34
  4. Step 4: Simplify right side
    5,159.72x = 11,318,538.71
  5. Step 5: Solve for x
    x = 11,318,538.71/5,159.72
  6. Step 6: Final answer
    x = 2,193.64

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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.