Home / 5,749.09-8,621.80-2,461.30

Finding the Fourth Proportional to 5,749.09, 8,621.80 and 2,461.30

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Solution

The fourth proportional to 5,749.09, 8,621.80 and 2,461.30 is: 3,691.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.09 : 8,621.80 = 2,461.30 : x
  2. Step 2: Convert to fraction form
    5,749.09/8,621.80 = 2,461.30/x
  3. Step 3: Cross multiply
    5,749.09x = 8,621.80 × 2,461.30
  4. Step 4: Simplify right side
    5,749.09x = 21,220,836.34
  5. Step 5: Solve for x
    x = 21,220,836.34/5,749.09
  6. Step 6: Final answer
    x = 3,691.16

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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.