Home / 5,440.31-7,507.54-3,050.28

Finding the Fourth Proportional to 5,440.31, 7,507.54 and 3,050.28

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Solution

The fourth proportional to 5,440.31, 7,507.54 and 3,050.28 is: 4,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.31 : 7,507.54 = 3,050.28 : x
  2. Step 2: Convert to fraction form
    5,440.31/7,507.54 = 3,050.28/x
  3. Step 3: Cross multiply
    5,440.31x = 7,507.54 × 3,050.28
  4. Step 4: Simplify right side
    5,440.31x = 22,900,099.11
  5. Step 5: Solve for x
    x = 22,900,099.11/5,440.31
  6. Step 6: Final answer
    x = 4,209.34

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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.