Home / 2,400.53-3,312.83-1,338.35

Finding the Fourth Proportional to 2,400.53, 3,312.83 and 1,338.35

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Solution

The fourth proportional to 2,400.53, 3,312.83 and 1,338.35 is: 1,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.53 : 3,312.83 = 1,338.35 : x
  2. Step 2: Convert to fraction form
    2,400.53/3,312.83 = 1,338.35/x
  3. Step 3: Cross multiply
    2,400.53x = 3,312.83 × 1,338.35
  4. Step 4: Simplify right side
    2,400.53x = 4,433,702.77
  5. Step 5: Solve for x
    x = 4,433,702.77/2,400.53
  6. Step 6: Final answer
    x = 1,846.97

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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.