Home / 2,645.13-3,650.91-1,700.67

Finding the Fourth Proportional to 2,645.13, 3,650.91 and 1,700.67

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Solution

The fourth proportional to 2,645.13, 3,650.91 and 1,700.67 is: 2,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.13 : 3,650.91 = 1,700.67 : x
  2. Step 2: Convert to fraction form
    2,645.13/3,650.91 = 1,700.67/x
  3. Step 3: Cross multiply
    2,645.13x = 3,650.91 × 1,700.67
  4. Step 4: Simplify right side
    2,645.13x = 6,208,993.11
  5. Step 5: Solve for x
    x = 6,208,993.11/2,645.13
  6. Step 6: Final answer
    x = 2,347.33

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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.