Home / 1,410.18-2,113.38-544.02

Finding the Fourth Proportional to 1,410.18, 2,113.38 and 544.02

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Solution

The fourth proportional to 1,410.18, 2,113.38 and 544.02 is: 815.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.18 : 2,113.38 = 544.02 : x
  2. Step 2: Convert to fraction form
    1,410.18/2,113.38 = 544.02/x
  3. Step 3: Cross multiply
    1,410.18x = 2,113.38 × 544.02
  4. Step 4: Simplify right side
    1,410.18x = 1,149,720.99
  5. Step 5: Solve for x
    x = 1,149,720.99/1,410.18
  6. Step 6: Final answer
    x = 815.30

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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.