Home / 5,250.12-7,875.18-4,929.36

Finding the Fourth Proportional to 5,250.12, 7,875.18 and 4,929.36

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Solution

The fourth proportional to 5,250.12, 7,875.18 and 4,929.36 is: 7,394.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.12 : 7,875.18 = 4,929.36 : x
  2. Step 2: Convert to fraction form
    5,250.12/7,875.18 = 4,929.36/x
  3. Step 3: Cross multiply
    5,250.12x = 7,875.18 × 4,929.36
  4. Step 4: Simplify right side
    5,250.12x = 38,819,567.75
  5. Step 5: Solve for x
    x = 38,819,567.75/5,250.12
  6. Step 6: Final answer
    x = 7,394.04

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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.