Home / 5,406.76-7,461.46-2,984.21

Finding the Fourth Proportional to 5,406.76, 7,461.46 and 2,984.21

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Solution

The fourth proportional to 5,406.76, 7,461.46 and 2,984.21 is: 4,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.76 : 7,461.46 = 2,984.21 : x
  2. Step 2: Convert to fraction form
    5,406.76/7,461.46 = 2,984.21/x
  3. Step 3: Cross multiply
    5,406.76x = 7,461.46 × 2,984.21
  4. Step 4: Simplify right side
    5,406.76x = 22,266,563.55
  5. Step 5: Solve for x
    x = 22,266,563.55/5,406.76
  6. Step 6: Final answer
    x = 4,118.28

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Double scale
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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.