Home / 5,051.95-6,971.67-2,813.85

Finding the Fourth Proportional to 5,051.95, 6,971.67 and 2,813.85

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Solution

The fourth proportional to 5,051.95, 6,971.67 and 2,813.85 is: 3,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.95 : 6,971.67 = 2,813.85 : x
  2. Step 2: Convert to fraction form
    5,051.95/6,971.67 = 2,813.85/x
  3. Step 3: Cross multiply
    5,051.95x = 6,971.67 × 2,813.85
  4. Step 4: Simplify right side
    5,051.95x = 19,617,233.63
  5. Step 5: Solve for x
    x = 19,617,233.63/5,051.95
  6. Step 6: Final answer
    x = 3,883.10

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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.