Home / 7,039.85-10,557.35-3,339.57

Finding the Fourth Proportional to 7,039.85, 10,557.35 and 3,339.57

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Solution

The fourth proportional to 7,039.85, 10,557.35 and 3,339.57 is: 5,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.85 : 10,557.35 = 3,339.57 : x
  2. Step 2: Convert to fraction form
    7,039.85/10,557.35 = 3,339.57/x
  3. Step 3: Cross multiply
    7,039.85x = 10,557.35 × 3,339.57
  4. Step 4: Simplify right side
    7,039.85x = 35,256,992.64
  5. Step 5: Solve for x
    x = 35,256,992.64/7,039.85
  6. Step 6: Final answer
    x = 5,008.20

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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.