Home / 7,539.08-10,403.99-4,181.93

Finding the Fourth Proportional to 7,539.08, 10,403.99 and 4,181.93

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Solution

The fourth proportional to 7,539.08, 10,403.99 and 4,181.93 is: 5,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.08 : 10,403.99 = 4,181.93 : x
  2. Step 2: Convert to fraction form
    7,539.08/10,403.99 = 4,181.93/x
  3. Step 3: Cross multiply
    7,539.08x = 10,403.99 × 4,181.93
  4. Step 4: Simplify right side
    7,539.08x = 43,508,763.19
  5. Step 5: Solve for x
    x = 43,508,763.19/7,539.08
  6. Step 6: Final answer
    x = 5,771.10

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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.