Home / 4,211.13-6,316.73-1,870.51

Finding the Fourth Proportional to 4,211.13, 6,316.73 and 1,870.51

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Solution

The fourth proportional to 4,211.13, 6,316.73 and 1,870.51 is: 2,805.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.13 : 6,316.73 = 1,870.51 : x
  2. Step 2: Convert to fraction form
    4,211.13/6,316.73 = 1,870.51/x
  3. Step 3: Cross multiply
    4,211.13x = 6,316.73 × 1,870.51
  4. Step 4: Simplify right side
    4,211.13x = 11,815,465.70
  5. Step 5: Solve for x
    x = 11,815,465.70/4,211.13
  6. Step 6: Final answer
    x = 2,805.77

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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.