Home / 4,178.04-6,264.72-1,403.28

Finding the Fourth Proportional to 4,178.04, 6,264.72 and 1,403.28

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Solution

The fourth proportional to 4,178.04, 6,264.72 and 1,403.28 is: 2,104.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.04 : 6,264.72 = 1,403.28 : x
  2. Step 2: Convert to fraction form
    4,178.04/6,264.72 = 1,403.28/x
  3. Step 3: Cross multiply
    4,178.04x = 6,264.72 × 1,403.28
  4. Step 4: Simplify right side
    4,178.04x = 8,791,156.28
  5. Step 5: Solve for x
    x = 8,791,156.28/4,178.04
  6. Step 6: Final answer
    x = 2,104.13

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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.