Home / 5,099.71-7,649.23-1,589.65

Finding the Fourth Proportional to 5,099.71, 7,649.23 and 1,589.65

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Solution

The fourth proportional to 5,099.71, 7,649.23 and 1,589.65 is: 2,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.71 : 7,649.23 = 1,589.65 : x
  2. Step 2: Convert to fraction form
    5,099.71/7,649.23 = 1,589.65/x
  3. Step 3: Cross multiply
    5,099.71x = 7,649.23 × 1,589.65
  4. Step 4: Simplify right side
    5,099.71x = 12,159,598.47
  5. Step 5: Solve for x
    x = 12,159,598.47/5,099.71
  6. Step 6: Final answer
    x = 2,384.37

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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.