Home / 4,924.40-7,386.29-1,636.61

Finding the Fourth Proportional to 4,924.40, 7,386.29 and 1,636.61

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Solution

The fourth proportional to 4,924.40, 7,386.29 and 1,636.61 is: 2,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.40 : 7,386.29 = 1,636.61 : x
  2. Step 2: Convert to fraction form
    4,924.40/7,386.29 = 1,636.61/x
  3. Step 3: Cross multiply
    4,924.40x = 7,386.29 × 1,636.61
  4. Step 4: Simplify right side
    4,924.40x = 12,088,437.10
  5. Step 5: Solve for x
    x = 12,088,437.10/4,924.40
  6. Step 6: Final answer
    x = 2,454.81

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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.