Home / 7,758.99-10,707.53-4,401.74

Finding the Fourth Proportional to 7,758.99, 10,707.53 and 4,401.74

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Solution

The fourth proportional to 7,758.99, 10,707.53 and 4,401.74 is: 6,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.99 : 10,707.53 = 4,401.74 : x
  2. Step 2: Convert to fraction form
    7,758.99/10,707.53 = 4,401.74/x
  3. Step 3: Cross multiply
    7,758.99x = 10,707.53 × 4,401.74
  4. Step 4: Simplify right side
    7,758.99x = 47,131,767.86
  5. Step 5: Solve for x
    x = 47,131,767.86/7,758.99
  6. Step 6: Final answer
    x = 6,074.47

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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.