Home / 5,118.90-7,066.06-3,445.08

Finding the Fourth Proportional to 5,118.90, 7,066.06 and 3,445.08

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Solution

The fourth proportional to 5,118.90, 7,066.06 and 3,445.08 is: 4,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.90 : 7,066.06 = 3,445.08 : x
  2. Step 2: Convert to fraction form
    5,118.90/7,066.06 = 3,445.08/x
  3. Step 3: Cross multiply
    5,118.90x = 7,066.06 × 3,445.08
  4. Step 4: Simplify right side
    5,118.90x = 24,343,133.37
  5. Step 5: Solve for x
    x = 24,343,133.37/5,118.90
  6. Step 6: Final answer
    x = 4,755.54

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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.