Home / 2,476.08-3,415.68-1,545.12

Finding the Fourth Proportional to 2,476.08, 3,415.68 and 1,545.12

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Solution

The fourth proportional to 2,476.08, 3,415.68 and 1,545.12 is: 2,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.08 : 3,415.68 = 1,545.12 : x
  2. Step 2: Convert to fraction form
    2,476.08/3,415.68 = 1,545.12/x
  3. Step 3: Cross multiply
    2,476.08x = 3,415.68 × 1,545.12
  4. Step 4: Simplify right side
    2,476.08x = 5,277,635.48
  5. Step 5: Solve for x
    x = 5,277,635.48/2,476.08
  6. Step 6: Final answer
    x = 2,131.45

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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.