Home / 5,407.14-7,460.28-3,392.22

Finding the Fourth Proportional to 5,407.14, 7,460.28 and 3,392.22

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Solution

The fourth proportional to 5,407.14, 7,460.28 and 3,392.22 is: 4,680.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.14 : 7,460.28 = 3,392.22 : x
  2. Step 2: Convert to fraction form
    5,407.14/7,460.28 = 3,392.22/x
  3. Step 3: Cross multiply
    5,407.14x = 7,460.28 × 3,392.22
  4. Step 4: Simplify right side
    5,407.14x = 25,306,911.02
  5. Step 5: Solve for x
    x = 25,306,911.02/5,407.14
  6. Step 6: Final answer
    x = 4,680.28

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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.