Home / 2,929.14-4,393.69-1,079.46

Finding the Fourth Proportional to 2,929.14, 4,393.69 and 1,079.46

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Solution

The fourth proportional to 2,929.14, 4,393.69 and 1,079.46 is: 1,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.14 : 4,393.69 = 1,079.46 : x
  2. Step 2: Convert to fraction form
    2,929.14/4,393.69 = 1,079.46/x
  3. Step 3: Cross multiply
    2,929.14x = 4,393.69 × 1,079.46
  4. Step 4: Simplify right side
    2,929.14x = 4,742,812.61
  5. Step 5: Solve for x
    x = 4,742,812.61/2,929.14
  6. Step 6: Final answer
    x = 1,619.18

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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.