Home / 2,267.62-3,130.07-1,521.32

Finding the Fourth Proportional to 2,267.62, 3,130.07 and 1,521.32

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Solution

The fourth proportional to 2,267.62, 3,130.07 and 1,521.32 is: 2,099.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.62 : 3,130.07 = 1,521.32 : x
  2. Step 2: Convert to fraction form
    2,267.62/3,130.07 = 1,521.32/x
  3. Step 3: Cross multiply
    2,267.62x = 3,130.07 × 1,521.32
  4. Step 4: Simplify right side
    2,267.62x = 4,761,814.84
  5. Step 5: Solve for x
    x = 4,761,814.84/2,267.62
  6. Step 6: Final answer
    x = 2,099.92

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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.