Home / 5,051.11-6,970.59-2,813.13

Finding the Fourth Proportional to 5,051.11, 6,970.59 and 2,813.13

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Solution

The fourth proportional to 5,051.11, 6,970.59 and 2,813.13 is: 3,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,051.11 : 6,970.59 = 2,813.13 : x
  2. Step 2: Convert to fraction form
    5,051.11/6,970.59 = 2,813.13/x
  3. Step 3: Cross multiply
    5,051.11x = 6,970.59 × 2,813.13
  4. Step 4: Simplify right side
    5,051.11x = 19,609,140.99
  5. Step 5: Solve for x
    x = 19,609,140.99/5,051.11
  6. Step 6: Final answer
    x = 3,882.15

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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.