Home / 5,235.42-7,851.08-1,725.28

Finding the Fourth Proportional to 5,235.42, 7,851.08 and 1,725.28

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Solution

The fourth proportional to 5,235.42, 7,851.08 and 1,725.28 is: 2,587.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.42 : 7,851.08 = 1,725.28 : x
  2. Step 2: Convert to fraction form
    5,235.42/7,851.08 = 1,725.28/x
  3. Step 3: Cross multiply
    5,235.42x = 7,851.08 × 1,725.28
  4. Step 4: Simplify right side
    5,235.42x = 13,545,311.30
  5. Step 5: Solve for x
    x = 13,545,311.30/5,235.42
  6. Step 6: Final answer
    x = 2,587.24

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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.