Home / 5,411.40-7,464.21-3,499.74

Finding the Fourth Proportional to 5,411.40, 7,464.21 and 3,499.74

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Solution

The fourth proportional to 5,411.40, 7,464.21 and 3,499.74 is: 4,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,411.40 : 7,464.21 = 3,499.74 : x
  2. Step 2: Convert to fraction form
    5,411.40/7,464.21 = 3,499.74/x
  3. Step 3: Cross multiply
    5,411.40x = 7,464.21 × 3,499.74
  4. Step 4: Simplify right side
    5,411.40x = 26,122,794.31
  5. Step 5: Solve for x
    x = 26,122,794.31/5,411.40
  6. Step 6: Final answer
    x = 4,827.36

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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.