Home / 2,948.14-4,068.36-1,603.70

Finding the Fourth Proportional to 2,948.14, 4,068.36 and 1,603.70

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Solution

The fourth proportional to 2,948.14, 4,068.36 and 1,603.70 is: 2,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.14 : 4,068.36 = 1,603.70 : x
  2. Step 2: Convert to fraction form
    2,948.14/4,068.36 = 1,603.70/x
  3. Step 3: Cross multiply
    2,948.14x = 4,068.36 × 1,603.70
  4. Step 4: Simplify right side
    2,948.14x = 6,524,428.93
  5. Step 5: Solve for x
    x = 6,524,428.93/2,948.14
  6. Step 6: Final answer
    x = 2,213.07

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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.