Home / 1,544.10-2,317.95-998.55

Finding the Fourth Proportional to 1,544.10, 2,317.95 and 998.55

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Solution

The fourth proportional to 1,544.10, 2,317.95 and 998.55 is: 1,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.10 : 2,317.95 = 998.55 : x
  2. Step 2: Convert to fraction form
    1,544.10/2,317.95 = 998.55/x
  3. Step 3: Cross multiply
    1,544.10x = 2,317.95 × 998.55
  4. Step 4: Simplify right side
    1,544.10x = 2,314,588.97
  5. Step 5: Solve for x
    x = 2,314,588.97/1,544.10
  6. Step 6: Final answer
    x = 1,498.99

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Double scale
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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.