Home / 3,547.53-5,321.34-1,356.48

Finding the Fourth Proportional to 3,547.53, 5,321.34 and 1,356.48

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Solution

The fourth proportional to 3,547.53, 5,321.34 and 1,356.48 is: 2,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.53 : 5,321.34 = 1,356.48 : x
  2. Step 2: Convert to fraction form
    3,547.53/5,321.34 = 1,356.48/x
  3. Step 3: Cross multiply
    3,547.53x = 5,321.34 × 1,356.48
  4. Step 4: Simplify right side
    3,547.53x = 7,218,291.28
  5. Step 5: Solve for x
    x = 7,218,291.28/3,547.53
  6. Step 6: Final answer
    x = 2,034.74

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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.