Home / 1,623.38-2,242.08-1,098.50

Finding the Fourth Proportional to 1,623.38, 2,242.08 and 1,098.50

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Solution

The fourth proportional to 1,623.38, 2,242.08 and 1,098.50 is: 1,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.38 : 2,242.08 = 1,098.50 : x
  2. Step 2: Convert to fraction form
    1,623.38/2,242.08 = 1,098.50/x
  3. Step 3: Cross multiply
    1,623.38x = 2,242.08 × 1,098.50
  4. Step 4: Simplify right side
    1,623.38x = 2,462,913.67
  5. Step 5: Solve for x
    x = 2,462,913.67/1,623.38
  6. Step 6: Final answer
    x = 1,517.16

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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.