Home / 5,104.08-7,655.58-1,641.06

Finding the Fourth Proportional to 5,104.08, 7,655.58 and 1,641.06

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Solution

The fourth proportional to 5,104.08, 7,655.58 and 1,641.06 is: 2,461.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.08 : 7,655.58 = 1,641.06 : x
  2. Step 2: Convert to fraction form
    5,104.08/7,655.58 = 1,641.06/x
  3. Step 3: Cross multiply
    5,104.08x = 7,655.58 × 1,641.06
  4. Step 4: Simplify right side
    5,104.08x = 12,563,266.11
  5. Step 5: Solve for x
    x = 12,563,266.11/5,104.08
  6. Step 6: Final answer
    x = 2,461.42

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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.