Home / 3,437.12-5,155.68-1,975.34

Finding the Fourth Proportional to 3,437.12, 5,155.68 and 1,975.34

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Solution

The fourth proportional to 3,437.12, 5,155.68 and 1,975.34 is: 2,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.12 : 5,155.68 = 1,975.34 : x
  2. Step 2: Convert to fraction form
    3,437.12/5,155.68 = 1,975.34/x
  3. Step 3: Cross multiply
    3,437.12x = 5,155.68 × 1,975.34
  4. Step 4: Simplify right side
    3,437.12x = 10,184,195.15
  5. Step 5: Solve for x
    x = 10,184,195.15/3,437.12
  6. Step 6: Final answer
    x = 2,963.01

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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.