Home / 5,403.13-7,457.72-3,519.41

Finding the Fourth Proportional to 5,403.13, 7,457.72 and 3,519.41

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Solution

The fourth proportional to 5,403.13, 7,457.72 and 3,519.41 is: 4,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.13 : 7,457.72 = 3,519.41 : x
  2. Step 2: Convert to fraction form
    5,403.13/7,457.72 = 3,519.41/x
  3. Step 3: Cross multiply
    5,403.13x = 7,457.72 × 3,519.41
  4. Step 4: Simplify right side
    5,403.13x = 26,246,719.46
  5. Step 5: Solve for x
    x = 26,246,719.46/5,403.13
  6. Step 6: Final answer
    x = 4,857.69

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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.