Home / 5,176.90-7,145.58-4,666.60

Finding the Fourth Proportional to 5,176.90, 7,145.58 and 4,666.60

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Solution

The fourth proportional to 5,176.90, 7,145.58 and 4,666.60 is: 6,441.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.90 : 7,145.58 = 4,666.60 : x
  2. Step 2: Convert to fraction form
    5,176.90/7,145.58 = 4,666.60/x
  3. Step 3: Cross multiply
    5,176.90x = 7,145.58 × 4,666.60
  4. Step 4: Simplify right side
    5,176.90x = 33,345,563.63
  5. Step 5: Solve for x
    x = 33,345,563.63/5,176.90
  6. Step 6: Final answer
    x = 6,441.22

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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.