Home / 2,854.21-4,275.64-2,235.01

Finding the Fourth Proportional to 2,854.21, 4,275.64 and 2,235.01

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Solution

The fourth proportional to 2,854.21, 4,275.64 and 2,235.01 is: 3,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.21 : 4,275.64 = 2,235.01 : x
  2. Step 2: Convert to fraction form
    2,854.21/4,275.64 = 2,235.01/x
  3. Step 3: Cross multiply
    2,854.21x = 4,275.64 × 2,235.01
  4. Step 4: Simplify right side
    2,854.21x = 9,556,108.87
  5. Step 5: Solve for x
    x = 9,556,108.87/2,854.21
  6. Step 6: Final answer
    x = 3,348.08

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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.