Home / 5,925.12-8,870.40-4,680.96

Finding the Fourth Proportional to 5,925.12, 8,870.40 and 4,680.96

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Solution

The fourth proportional to 5,925.12, 8,870.40 and 4,680.96 is: 7,007.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,925.12 : 8,870.40 = 4,680.96 : x
  2. Step 2: Convert to fraction form
    5,925.12/8,870.40 = 4,680.96/x
  3. Step 3: Cross multiply
    5,925.12x = 8,870.40 × 4,680.96
  4. Step 4: Simplify right side
    5,925.12x = 41,521,987.58
  5. Step 5: Solve for x
    x = 41,521,987.58/5,925.12
  6. Step 6: Final answer
    x = 7,007.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.