Home / 5,929.10-8,885.55-3,949.10

Finding the Fourth Proportional to 5,929.10, 8,885.55 and 3,949.10

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Solution

The fourth proportional to 5,929.10, 8,885.55 and 3,949.10 is: 5,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.10 : 8,885.55 = 3,949.10 : x
  2. Step 2: Convert to fraction form
    5,929.10/8,885.55 = 3,949.10/x
  3. Step 3: Cross multiply
    5,929.10x = 8,885.55 × 3,949.10
  4. Step 4: Simplify right side
    5,929.10x = 35,089,925.51
  5. Step 5: Solve for x
    x = 35,089,925.51/5,929.10
  6. Step 6: Final answer
    x = 5,918.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.