Home / 7,449.12-11,159.37-3,742.29

Finding the Fourth Proportional to 7,449.12, 11,159.37 and 3,742.29

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Solution

The fourth proportional to 7,449.12, 11,159.37 and 3,742.29 is: 5,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.12 : 11,159.37 = 3,742.29 : x
  2. Step 2: Convert to fraction form
    7,449.12/11,159.37 = 3,742.29/x
  3. Step 3: Cross multiply
    7,449.12x = 11,159.37 × 3,742.29
  4. Step 4: Simplify right side
    7,449.12x = 41,761,598.76
  5. Step 5: Solve for x
    x = 41,761,598.76/7,449.12
  6. Step 6: Final answer
    x = 5,606.25

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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.