Home / 2,349.10-3,240.20-1,510.87

Finding the Fourth Proportional to 2,349.10, 3,240.20 and 1,510.87

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Solution

The fourth proportional to 2,349.10, 3,240.20 and 1,510.87 is: 2,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.10 : 3,240.20 = 1,510.87 : x
  2. Step 2: Convert to fraction form
    2,349.10/3,240.20 = 1,510.87/x
  3. Step 3: Cross multiply
    2,349.10x = 3,240.20 × 1,510.87
  4. Step 4: Simplify right side
    2,349.10x = 4,895,516.65
  5. Step 5: Solve for x
    x = 4,895,516.65/2,349.10
  6. Step 6: Final answer
    x = 2,083.99

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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.