Home / 2,140.69-2,950.08-1,476.34

Finding the Fourth Proportional to 2,140.69, 2,950.08 and 1,476.34

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Solution

The fourth proportional to 2,140.69, 2,950.08 and 1,476.34 is: 2,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.69 : 2,950.08 = 1,476.34 : x
  2. Step 2: Convert to fraction form
    2,140.69/2,950.08 = 1,476.34/x
  3. Step 3: Cross multiply
    2,140.69x = 2,950.08 × 1,476.34
  4. Step 4: Simplify right side
    2,140.69x = 4,355,321.11
  5. Step 5: Solve for x
    x = 4,355,321.11/2,140.69
  6. Step 6: Final answer
    x = 2,034.54

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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.