Home / 4,756.22-7,121.55-3,875.11

Finding the Fourth Proportional to 4,756.22, 7,121.55 and 3,875.11

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Solution

The fourth proportional to 4,756.22, 7,121.55 and 3,875.11 is: 5,802.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.22 : 7,121.55 = 3,875.11 : x
  2. Step 2: Convert to fraction form
    4,756.22/7,121.55 = 3,875.11/x
  3. Step 3: Cross multiply
    4,756.22x = 7,121.55 × 3,875.11
  4. Step 4: Simplify right side
    4,756.22x = 27,596,786.35
  5. Step 5: Solve for x
    x = 27,596,786.35/4,756.22
  6. Step 6: Final answer
    x = 5,802.25

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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.