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Finding the Fourth Proportional to 2,258, 3,117.32 and 1,705.04

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Solution

The fourth proportional to 2,258, 3,117.32 and 1,705.04 is: 2,353.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258 : 3,117.32 = 1,705.04 : x
  2. Step 2: Convert to fraction form
    2,258/3,117.32 = 1,705.04/x
  3. Step 3: Cross multiply
    2,258x = 3,117.32 × 1,705.04
  4. Step 4: Simplify right side
    2,258x = 5,315,155.29
  5. Step 5: Solve for x
    x = 5,315,155.29/2,258
  6. Step 6: Final answer
    x = 2,353.92

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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.