Home / 3,547.46-5,314.86-2,160.08

Finding the Fourth Proportional to 3,547.46, 5,314.86 and 2,160.08

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Solution

The fourth proportional to 3,547.46, 5,314.86 and 2,160.08 is: 3,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.46 : 5,314.86 = 2,160.08 : x
  2. Step 2: Convert to fraction form
    3,547.46/5,314.86 = 2,160.08/x
  3. Step 3: Cross multiply
    3,547.46x = 5,314.86 × 2,160.08
  4. Step 4: Simplify right side
    3,547.46x = 11,480,536.08
  5. Step 5: Solve for x
    x = 11,480,536.08/3,547.46
  6. Step 6: Final answer
    x = 3,236.27

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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.