Home / 3,000.04-4,140.11-1,673.60

Finding the Fourth Proportional to 3,000.04, 4,140.11 and 1,673.60

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Solution

The fourth proportional to 3,000.04, 4,140.11 and 1,673.60 is: 2,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.04 : 4,140.11 = 1,673.60 : x
  2. Step 2: Convert to fraction form
    3,000.04/4,140.11 = 1,673.60/x
  3. Step 3: Cross multiply
    3,000.04x = 4,140.11 × 1,673.60
  4. Step 4: Simplify right side
    3,000.04x = 6,928,888.10
  5. Step 5: Solve for x
    x = 6,928,888.10/3,000.04
  6. Step 6: Final answer
    x = 2,309.60

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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.