Home / 2,346.51-3,516.27-2,139.05

Finding the Fourth Proportional to 2,346.51, 3,516.27 and 2,139.05

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Solution

The fourth proportional to 2,346.51, 3,516.27 and 2,139.05 is: 3,205.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,346.51 : 3,516.27 = 2,139.05 : x
  2. Step 2: Convert to fraction form
    2,346.51/3,516.27 = 2,139.05/x
  3. Step 3: Cross multiply
    2,346.51x = 3,516.27 × 2,139.05
  4. Step 4: Simplify right side
    2,346.51x = 7,521,486.13
  5. Step 5: Solve for x
    x = 7,521,486.13/2,346.51
  6. Step 6: Final answer
    x = 3,205.39

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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.