Home / 5,159.49-7,740.31-2,346.99

Finding the Fourth Proportional to 5,159.49, 7,740.31 and 2,346.99

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Solution

The fourth proportional to 5,159.49, 7,740.31 and 2,346.99 is: 3,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.49 : 7,740.31 = 2,346.99 : x
  2. Step 2: Convert to fraction form
    5,159.49/7,740.31 = 2,346.99/x
  3. Step 3: Cross multiply
    5,159.49x = 7,740.31 × 2,346.99
  4. Step 4: Simplify right side
    5,159.49x = 18,166,430.17
  5. Step 5: Solve for x
    x = 18,166,430.17/5,159.49
  6. Step 6: Final answer
    x = 3,520.97

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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.