Home / 5,363.28-7,400.40-3,005.04

Finding the Fourth Proportional to 5,363.28, 7,400.40 and 3,005.04

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Solution

The fourth proportional to 5,363.28, 7,400.40 and 3,005.04 is: 4,146.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.28 : 7,400.40 = 3,005.04 : x
  2. Step 2: Convert to fraction form
    5,363.28/7,400.40 = 3,005.04/x
  3. Step 3: Cross multiply
    5,363.28x = 7,400.40 × 3,005.04
  4. Step 4: Simplify right side
    5,363.28x = 22,238,498.02
  5. Step 5: Solve for x
    x = 22,238,498.02/5,363.28
  6. Step 6: Final answer
    x = 4,146.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.