Home / 5,154.72-7,732.14-1,457.07

Finding the Fourth Proportional to 5,154.72, 7,732.14 and 1,457.07

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Solution

The fourth proportional to 5,154.72, 7,732.14 and 1,457.07 is: 2,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.72 : 7,732.14 = 1,457.07 : x
  2. Step 2: Convert to fraction form
    5,154.72/7,732.14 = 1,457.07/x
  3. Step 3: Cross multiply
    5,154.72x = 7,732.14 × 1,457.07
  4. Step 4: Simplify right side
    5,154.72x = 11,266,269.23
  5. Step 5: Solve for x
    x = 11,266,269.23/5,154.72
  6. Step 6: Final answer
    x = 2,185.62

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1.5x scale

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.