Home / 5,366.74-7,406.30-3,128.26

Finding the Fourth Proportional to 5,366.74, 7,406.30 and 3,128.26

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Solution

The fourth proportional to 5,366.74, 7,406.30 and 3,128.26 is: 4,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.74 : 7,406.30 = 3,128.26 : x
  2. Step 2: Convert to fraction form
    5,366.74/7,406.30 = 3,128.26/x
  3. Step 3: Cross multiply
    5,366.74x = 7,406.30 × 3,128.26
  4. Step 4: Simplify right side
    5,366.74x = 23,168,832.04
  5. Step 5: Solve for x
    x = 23,168,832.04/5,366.74
  6. Step 6: Final answer
    x = 4,317.11

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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.