Home / 4,740.04-7,107.36-2,140.48

Finding the Fourth Proportional to 4,740.04, 7,107.36 and 2,140.48

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Solution

The fourth proportional to 4,740.04, 7,107.36 and 2,140.48 is: 3,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.04 : 7,107.36 = 2,140.48 : x
  2. Step 2: Convert to fraction form
    4,740.04/7,107.36 = 2,140.48/x
  3. Step 3: Cross multiply
    4,740.04x = 7,107.36 × 2,140.48
  4. Step 4: Simplify right side
    4,740.04x = 15,213,161.93
  5. Step 5: Solve for x
    x = 15,213,161.93/4,740.04
  6. Step 6: Final answer
    x = 3,209.50

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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.