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Finding the Fourth Proportional to 4,159.76, 5,743.71 and 2,903.99

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Solution

The fourth proportional to 4,159.76, 5,743.71 and 2,903.99 is: 4,009.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.76 : 5,743.71 = 2,903.99 : x
  2. Step 2: Convert to fraction form
    4,159.76/5,743.71 = 2,903.99/x
  3. Step 3: Cross multiply
    4,159.76x = 5,743.71 × 2,903.99
  4. Step 4: Simplify right side
    4,159.76x = 16,679,647.68
  5. Step 5: Solve for x
    x = 16,679,647.68/4,159.76
  6. Step 6: Final answer
    x = 4,009.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.