Home / 3,617.63-4,988.90-2,359.65

Finding the Fourth Proportional to 3,617.63, 4,988.90 and 2,359.65

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Solution

The fourth proportional to 3,617.63, 4,988.90 and 2,359.65 is: 3,254.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.63 : 4,988.90 = 2,359.65 : x
  2. Step 2: Convert to fraction form
    3,617.63/4,988.90 = 2,359.65/x
  3. Step 3: Cross multiply
    3,617.63x = 4,988.90 × 2,359.65
  4. Step 4: Simplify right side
    3,617.63x = 11,772,063.78
  5. Step 5: Solve for x
    x = 11,772,063.78/3,617.63
  6. Step 6: Final answer
    x = 3,254.09

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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.