Home / 1,184.13-1,623.53-1,098.81

Finding the Fourth Proportional to 1,184.13, 1,623.53 and 1,098.81

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Solution

The fourth proportional to 1,184.13, 1,623.53 and 1,098.81 is: 1,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184.13 : 1,623.53 = 1,098.81 : x
  2. Step 2: Convert to fraction form
    1,184.13/1,623.53 = 1,098.81/x
  3. Step 3: Cross multiply
    1,184.13x = 1,623.53 × 1,098.81
  4. Step 4: Simplify right side
    1,184.13x = 1,783,953.75
  5. Step 5: Solve for x
    x = 1,783,953.75/1,184.13
  6. Step 6: Final answer
    x = 1,506.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.