Home / 2,372.20-3,263.70-2,307.40

Finding the Fourth Proportional to 2,372.20, 3,263.70 and 2,307.40

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Solution

The fourth proportional to 2,372.20, 3,263.70 and 2,307.40 is: 3,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.20 : 3,263.70 = 2,307.40 : x
  2. Step 2: Convert to fraction form
    2,372.20/3,263.70 = 2,307.40/x
  3. Step 3: Cross multiply
    2,372.20x = 3,263.70 × 2,307.40
  4. Step 4: Simplify right side
    2,372.20x = 7,530,661.38
  5. Step 5: Solve for x
    x = 7,530,661.38/2,372.20
  6. Step 6: Final answer
    x = 3,174.55

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Half scale
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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.