Home / 3,403.48-4,695.63-2,126.49

Finding the Fourth Proportional to 3,403.48, 4,695.63 and 2,126.49

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Solution

The fourth proportional to 3,403.48, 4,695.63 and 2,126.49 is: 2,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.48 : 4,695.63 = 2,126.49 : x
  2. Step 2: Convert to fraction form
    3,403.48/4,695.63 = 2,126.49/x
  3. Step 3: Cross multiply
    3,403.48x = 4,695.63 × 2,126.49
  4. Step 4: Simplify right side
    3,403.48x = 9,985,210.24
  5. Step 5: Solve for x
    x = 9,985,210.24/3,403.48
  6. Step 6: Final answer
    x = 2,933.83

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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.