Home / 5,403.60-7,458.12-3,416.76

Finding the Fourth Proportional to 5,403.60, 7,458.12 and 3,416.76

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Solution

The fourth proportional to 5,403.60, 7,458.12 and 3,416.76 is: 4,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.60 : 7,458.12 = 3,416.76 : x
  2. Step 2: Convert to fraction form
    5,403.60/7,458.12 = 3,416.76/x
  3. Step 3: Cross multiply
    5,403.60x = 7,458.12 × 3,416.76
  4. Step 4: Simplify right side
    5,403.60x = 25,482,606.09
  5. Step 5: Solve for x
    x = 25,482,606.09/5,403.60
  6. Step 6: Final answer
    x = 4,715.86

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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.