Home / 4,742.04-7,140.81-3,518.16

Finding the Fourth Proportional to 4,742.04, 7,140.81 and 3,518.16

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Solution

The fourth proportional to 4,742.04, 7,140.81 and 3,518.16 is: 5,297.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.04 : 7,140.81 = 3,518.16 : x
  2. Step 2: Convert to fraction form
    4,742.04/7,140.81 = 3,518.16/x
  3. Step 3: Cross multiply
    4,742.04x = 7,140.81 × 3,518.16
  4. Step 4: Simplify right side
    4,742.04x = 25,122,512.11
  5. Step 5: Solve for x
    x = 25,122,512.11/4,742.04
  6. Step 6: Final answer
    x = 5,297.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.