Home / 2,471.13-3,408.75-2,177.10

Finding the Fourth Proportional to 2,471.13, 3,408.75 and 2,177.10

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Solution

The fourth proportional to 2,471.13, 3,408.75 and 2,177.10 is: 3,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,471.13 : 3,408.75 = 2,177.10 : x
  2. Step 2: Convert to fraction form
    2,471.13/3,408.75 = 2,177.10/x
  3. Step 3: Cross multiply
    2,471.13x = 3,408.75 × 2,177.10
  4. Step 4: Simplify right side
    2,471.13x = 7,421,189.63
  5. Step 5: Solve for x
    x = 7,421,189.63/2,471.13
  6. Step 6: Final answer
    x = 3,003.16

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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.