Home / 1,775.03-2,448.23-1,214.91

Finding the Fourth Proportional to 1,775.03, 2,448.23 and 1,214.91

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Solution

The fourth proportional to 1,775.03, 2,448.23 and 1,214.91 is: 1,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.03 : 2,448.23 = 1,214.91 : x
  2. Step 2: Convert to fraction form
    1,775.03/2,448.23 = 1,214.91/x
  3. Step 3: Cross multiply
    1,775.03x = 2,448.23 × 1,214.91
  4. Step 4: Simplify right side
    1,775.03x = 2,974,373.03
  5. Step 5: Solve for x
    x = 2,974,373.03/1,775.03
  6. Step 6: Final answer
    x = 1,675.68

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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.