Home / 2,175.36-3,279.35-2,030.53

Finding the Fourth Proportional to 2,175.36, 3,279.35 and 2,030.53

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Solution

The fourth proportional to 2,175.36, 3,279.35 and 2,030.53 is: 3,061.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.36 : 3,279.35 = 2,030.53 : x
  2. Step 2: Convert to fraction form
    2,175.36/3,279.35 = 2,030.53/x
  3. Step 3: Cross multiply
    2,175.36x = 3,279.35 × 2,030.53
  4. Step 4: Simplify right side
    2,175.36x = 6,658,816.60
  5. Step 5: Solve for x
    x = 6,658,816.60/2,175.36
  6. Step 6: Final answer
    x = 3,061.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.