Home / 4,159.82-5,740.52-2,271.39

Finding the Fourth Proportional to 4,159.82, 5,740.52 and 2,271.39

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Solution

The fourth proportional to 4,159.82, 5,740.52 and 2,271.39 is: 3,134.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.82 : 5,740.52 = 2,271.39 : x
  2. Step 2: Convert to fraction form
    4,159.82/5,740.52 = 2,271.39/x
  3. Step 3: Cross multiply
    4,159.82x = 5,740.52 × 2,271.39
  4. Step 4: Simplify right side
    4,159.82x = 13,038,948.37
  5. Step 5: Solve for x
    x = 13,038,948.37/4,159.82
  6. Step 6: Final answer
    x = 3,134.50

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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.