Home / 5,206.90-7,808.32-1,874.24

Finding the Fourth Proportional to 5,206.90, 7,808.32 and 1,874.24

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Solution

The fourth proportional to 5,206.90, 7,808.32 and 1,874.24 is: 2,810.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.90 : 7,808.32 = 1,874.24 : x
  2. Step 2: Convert to fraction form
    5,206.90/7,808.32 = 1,874.24/x
  3. Step 3: Cross multiply
    5,206.90x = 7,808.32 × 1,874.24
  4. Step 4: Simplify right side
    5,206.90x = 14,634,656.31
  5. Step 5: Solve for x
    x = 14,634,656.31/5,206.90
  6. Step 6: Final answer
    x = 2,810.63

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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.