Home / 2,349.18-3,239.13-1,603.56

Finding the Fourth Proportional to 2,349.18, 3,239.13 and 1,603.56

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Solution

The fourth proportional to 2,349.18, 3,239.13 and 1,603.56 is: 2,211.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.18 : 3,239.13 = 1,603.56 : x
  2. Step 2: Convert to fraction form
    2,349.18/3,239.13 = 1,603.56/x
  3. Step 3: Cross multiply
    2,349.18x = 3,239.13 × 1,603.56
  4. Step 4: Simplify right side
    2,349.18x = 5,194,139.30
  5. Step 5: Solve for x
    x = 5,194,139.30/2,349.18
  6. Step 6: Final answer
    x = 2,211.04

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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.