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Finding the Fourth Proportional to 4,158.58, 5,738.84 and 2,390.53

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Solution

The fourth proportional to 4,158.58, 5,738.84 and 2,390.53 is: 3,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158.58 : 5,738.84 = 2,390.53 : x
  2. Step 2: Convert to fraction form
    4,158.58/5,738.84 = 2,390.53/x
  3. Step 3: Cross multiply
    4,158.58x = 5,738.84 × 2,390.53
  4. Step 4: Simplify right side
    4,158.58x = 13,718,869.19
  5. Step 5: Solve for x
    x = 13,718,869.19/4,158.58
  6. Step 6: Final answer
    x = 3,298.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.