Home / 2,260.03-3,118.05-1,621.45

Finding the Fourth Proportional to 2,260.03, 3,118.05 and 1,621.45

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Solution

The fourth proportional to 2,260.03, 3,118.05 and 1,621.45 is: 2,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.03 : 3,118.05 = 1,621.45 : x
  2. Step 2: Convert to fraction form
    2,260.03/3,118.05 = 1,621.45/x
  3. Step 3: Cross multiply
    2,260.03x = 3,118.05 × 1,621.45
  4. Step 4: Simplify right side
    2,260.03x = 5,055,762.17
  5. Step 5: Solve for x
    x = 5,055,762.17/2,260.03
  6. Step 6: Final answer
    x = 2,237.03

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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.