Home / 2,655.24-3,663.68-1,607.10

Finding the Fourth Proportional to 2,655.24, 3,663.68 and 1,607.10

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Solution

The fourth proportional to 2,655.24, 3,663.68 and 1,607.10 is: 2,217.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,655.24 : 3,663.68 = 1,607.10 : x
  2. Step 2: Convert to fraction form
    2,655.24/3,663.68 = 1,607.10/x
  3. Step 3: Cross multiply
    2,655.24x = 3,663.68 × 1,607.10
  4. Step 4: Simplify right side
    2,655.24x = 5,887,892.09
  5. Step 5: Solve for x
    x = 5,887,892.09/2,655.24
  6. Step 6: Final answer
    x = 2,217.46

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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.