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Finding the Fourth Proportional to 5,718.84, 7,893.30 and 4,607.16

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Solution

The fourth proportional to 5,718.84, 7,893.30 and 4,607.16 is: 6,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.84 : 7,893.30 = 4,607.16 : x
  2. Step 2: Convert to fraction form
    5,718.84/7,893.30 = 4,607.16/x
  3. Step 3: Cross multiply
    5,718.84x = 7,893.30 × 4,607.16
  4. Step 4: Simplify right side
    5,718.84x = 36,365,696.03
  5. Step 5: Solve for x
    x = 36,365,696.03/5,718.84
  6. Step 6: Final answer
    x = 6,358.93

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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.