Home / 2,697.12-4,043.88-1,053.24

Finding the Fourth Proportional to 2,697.12, 4,043.88 and 1,053.24

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Solution

The fourth proportional to 2,697.12, 4,043.88 and 1,053.24 is: 1,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697.12 : 4,043.88 = 1,053.24 : x
  2. Step 2: Convert to fraction form
    2,697.12/4,043.88 = 1,053.24/x
  3. Step 3: Cross multiply
    2,697.12x = 4,043.88 × 1,053.24
  4. Step 4: Simplify right side
    2,697.12x = 4,259,176.17
  5. Step 5: Solve for x
    x = 4,259,176.17/2,697.12
  6. Step 6: Final answer
    x = 1,579.16

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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.