Home / 2,428.65-3,348.18-1,866.92

Finding the Fourth Proportional to 2,428.65, 3,348.18 and 1,866.92

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Solution

The fourth proportional to 2,428.65, 3,348.18 and 1,866.92 is: 2,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428.65 : 3,348.18 = 1,866.92 : x
  2. Step 2: Convert to fraction form
    2,428.65/3,348.18 = 1,866.92/x
  3. Step 3: Cross multiply
    2,428.65x = 3,348.18 × 1,866.92
  4. Step 4: Simplify right side
    2,428.65x = 6,250,767.46
  5. Step 5: Solve for x
    x = 6,250,767.46/2,428.65
  6. Step 6: Final answer
    x = 2,573.76

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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.