Home / 1,437.46-2,156.30-464.26

Finding the Fourth Proportional to 1,437.46, 2,156.30 and 464.26

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Solution

The fourth proportional to 1,437.46, 2,156.30 and 464.26 is: 696.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.46 : 2,156.30 = 464.26 : x
  2. Step 2: Convert to fraction form
    1,437.46/2,156.30 = 464.26/x
  3. Step 3: Cross multiply
    1,437.46x = 2,156.30 × 464.26
  4. Step 4: Simplify right side
    1,437.46x = 1,001,081.52
  5. Step 5: Solve for x
    x = 1,001,081.52/1,437.46
  6. Step 6: Final answer
    x = 696.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.