Home / 2,900.77-4,345.68-2,248.31

Finding the Fourth Proportional to 2,900.77, 4,345.68 and 2,248.31

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Solution

The fourth proportional to 2,900.77, 4,345.68 and 2,248.31 is: 3,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.77 : 4,345.68 = 2,248.31 : x
  2. Step 2: Convert to fraction form
    2,900.77/4,345.68 = 2,248.31/x
  3. Step 3: Cross multiply
    2,900.77x = 4,345.68 × 2,248.31
  4. Step 4: Simplify right side
    2,900.77x = 9,770,435.80
  5. Step 5: Solve for x
    x = 9,770,435.80/2,900.77
  6. Step 6: Final answer
    x = 3,368.22

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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.