Home / 5,589.36-7,714.32-3,602.40

Finding the Fourth Proportional to 5,589.36, 7,714.32 and 3,602.40

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Solution

The fourth proportional to 5,589.36, 7,714.32 and 3,602.40 is: 4,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.36 : 7,714.32 = 3,602.40 : x
  2. Step 2: Convert to fraction form
    5,589.36/7,714.32 = 3,602.40/x
  3. Step 3: Cross multiply
    5,589.36x = 7,714.32 × 3,602.40
  4. Step 4: Simplify right side
    5,589.36x = 27,790,066.37
  5. Step 5: Solve for x
    x = 27,790,066.37/5,589.36
  6. Step 6: Final answer
    x = 4,971.96

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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.