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Finding the Fourth Proportional to 5,904.90, 8,146.44 and 5,158.89

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Solution

The fourth proportional to 5,904.90, 8,146.44 and 5,158.89 is: 7,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.90 : 8,146.44 = 5,158.89 : x
  2. Step 2: Convert to fraction form
    5,904.90/8,146.44 = 5,158.89/x
  3. Step 3: Cross multiply
    5,904.90x = 8,146.44 × 5,158.89
  4. Step 4: Simplify right side
    5,904.90x = 42,026,587.85
  5. Step 5: Solve for x
    x = 42,026,587.85/5,904.90
  6. Step 6: Final answer
    x = 7,117.24

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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.