Home / 5,051.44-6,970.88-2,813.24

Finding the Fourth Proportional to 5,051.44, 6,970.88 and 2,813.24

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Solution

The fourth proportional to 5,051.44, 6,970.88 and 2,813.24 is: 3,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.44 : 6,970.88 = 2,813.24 : x
  2. Step 2: Convert to fraction form
    5,051.44/6,970.88 = 2,813.24/x
  3. Step 3: Cross multiply
    5,051.44x = 6,970.88 × 2,813.24
  4. Step 4: Simplify right side
    5,051.44x = 19,610,758.45
  5. Step 5: Solve for x
    x = 19,610,758.45/5,051.44
  6. Step 6: Final answer
    x = 3,882.21

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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.