Home / 5,133.16-7,698.90-1,845.64

Finding the Fourth Proportional to 5,133.16, 7,698.90 and 1,845.64

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Solution

The fourth proportional to 5,133.16, 7,698.90 and 1,845.64 is: 2,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.16 : 7,698.90 = 1,845.64 : x
  2. Step 2: Convert to fraction form
    5,133.16/7,698.90 = 1,845.64/x
  3. Step 3: Cross multiply
    5,133.16x = 7,698.90 × 1,845.64
  4. Step 4: Simplify right side
    5,133.16x = 14,209,397.80
  5. Step 5: Solve for x
    x = 14,209,397.80/5,133.16
  6. Step 6: Final answer
    x = 2,768.16

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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.