Home / 5,709.33-7,878.93-3,351.51

Finding the Fourth Proportional to 5,709.33, 7,878.93 and 3,351.51

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Solution

The fourth proportional to 5,709.33, 7,878.93 and 3,351.51 is: 4,625.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,709.33 : 7,878.93 = 3,351.51 : x
  2. Step 2: Convert to fraction form
    5,709.33/7,878.93 = 3,351.51/x
  3. Step 3: Cross multiply
    5,709.33x = 7,878.93 × 3,351.51
  4. Step 4: Simplify right side
    5,709.33x = 26,406,312.68
  5. Step 5: Solve for x
    x = 26,406,312.68/5,709.33
  6. Step 6: Final answer
    x = 4,625.12

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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.