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Finding the Fourth Proportional to 2,091.48, 2,890.08 and 1,501.08

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Solution

The fourth proportional to 2,091.48, 2,890.08 and 1,501.08 is: 2,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.48 : 2,890.08 = 1,501.08 : x
  2. Step 2: Convert to fraction form
    2,091.48/2,890.08 = 1,501.08/x
  3. Step 3: Cross multiply
    2,091.48x = 2,890.08 × 1,501.08
  4. Step 4: Simplify right side
    2,091.48x = 4,338,241.29
  5. Step 5: Solve for x
    x = 4,338,241.29/2,091.48
  6. Step 6: Final answer
    x = 2,074.24

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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.