Home / 1,665.14-2,298.97-1,036.35

Finding the Fourth Proportional to 1,665.14, 2,298.97 and 1,036.35

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Solution

The fourth proportional to 1,665.14, 2,298.97 and 1,036.35 is: 1,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665.14 : 2,298.97 = 1,036.35 : x
  2. Step 2: Convert to fraction form
    1,665.14/2,298.97 = 1,036.35/x
  3. Step 3: Cross multiply
    1,665.14x = 2,298.97 × 1,036.35
  4. Step 4: Simplify right side
    1,665.14x = 2,382,537.56
  5. Step 5: Solve for x
    x = 2,382,537.56/1,665.14
  6. Step 6: Final answer
    x = 1,430.83

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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.