Home / 3,440.46-5,160.66-975.30

Finding the Fourth Proportional to 3,440.46, 5,160.66 and 975.30

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Solution

The fourth proportional to 3,440.46, 5,160.66 and 975.30 is: 1,462.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.46 : 5,160.66 = 975.30 : x
  2. Step 2: Convert to fraction form
    3,440.46/5,160.66 = 975.30/x
  3. Step 3: Cross multiply
    3,440.46x = 5,160.66 × 975.30
  4. Step 4: Simplify right side
    3,440.46x = 5,033,191.70
  5. Step 5: Solve for x
    x = 5,033,191.70/3,440.46
  6. Step 6: Final answer
    x = 1,462.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.