Home / 2,799.16-4,197.68-924.64

Finding the Fourth Proportional to 2,799.16, 4,197.68 and 924.64

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Solution

The fourth proportional to 2,799.16, 4,197.68 and 924.64 is: 1,386.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.16 : 4,197.68 = 924.64 : x
  2. Step 2: Convert to fraction form
    2,799.16/4,197.68 = 924.64/x
  3. Step 3: Cross multiply
    2,799.16x = 4,197.68 × 924.64
  4. Step 4: Simplify right side
    2,799.16x = 3,881,342.84
  5. Step 5: Solve for x
    x = 3,881,342.84/2,799.16
  6. Step 6: Final answer
    x = 1,386.61

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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.