Home / 5,461.04-8,189.40-3,154.16

Finding the Fourth Proportional to 5,461.04, 8,189.40 and 3,154.16

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Solution

The fourth proportional to 5,461.04, 8,189.40 and 3,154.16 is: 4,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.04 : 8,189.40 = 3,154.16 : x
  2. Step 2: Convert to fraction form
    5,461.04/8,189.40 = 3,154.16/x
  3. Step 3: Cross multiply
    5,461.04x = 8,189.40 × 3,154.16
  4. Step 4: Simplify right side
    5,461.04x = 25,830,677.90
  5. Step 5: Solve for x
    x = 25,830,677.90/5,461.04
  6. Step 6: Final answer
    x = 4,729.99

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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.