Home / 5,110.68-7,055.68-3,345.34

Finding the Fourth Proportional to 5,110.68, 7,055.68 and 3,345.34

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Solution

The fourth proportional to 5,110.68, 7,055.68 and 3,345.34 is: 4,618.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110.68 : 7,055.68 = 3,345.34 : x
  2. Step 2: Convert to fraction form
    5,110.68/7,055.68 = 3,345.34/x
  3. Step 3: Cross multiply
    5,110.68x = 7,055.68 × 3,345.34
  4. Step 4: Simplify right side
    5,110.68x = 23,603,648.53
  5. Step 5: Solve for x
    x = 23,603,648.53/5,110.68
  6. Step 6: Final answer
    x = 4,618.49

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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.