Home / 2,951.06-4,074.12-1,957.67

Finding the Fourth Proportional to 2,951.06, 4,074.12 and 1,957.67

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Solution

The fourth proportional to 2,951.06, 4,074.12 and 1,957.67 is: 2,702.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.06 : 4,074.12 = 1,957.67 : x
  2. Step 2: Convert to fraction form
    2,951.06/4,074.12 = 1,957.67/x
  3. Step 3: Cross multiply
    2,951.06x = 4,074.12 × 1,957.67
  4. Step 4: Simplify right side
    2,951.06x = 7,975,762.13
  5. Step 5: Solve for x
    x = 7,975,762.13/2,951.06
  6. Step 6: Final answer
    x = 2,702.68

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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.