Home / 3,195.01-4,412.81-2,130.93

Finding the Fourth Proportional to 3,195.01, 4,412.81 and 2,130.93

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Solution

The fourth proportional to 3,195.01, 4,412.81 and 2,130.93 is: 2,943.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.01 : 4,412.81 = 2,130.93 : x
  2. Step 2: Convert to fraction form
    3,195.01/4,412.81 = 2,130.93/x
  3. Step 3: Cross multiply
    3,195.01x = 4,412.81 × 2,130.93
  4. Step 4: Simplify right side
    3,195.01x = 9,403,384.48
  5. Step 5: Solve for x
    x = 9,403,384.48/3,195.01
  6. Step 6: Final answer
    x = 2,943.14

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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.