Home / 2,528.17-3,488.99-1,409.17

Finding the Fourth Proportional to 2,528.17, 3,488.99 and 1,409.17

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Solution

The fourth proportional to 2,528.17, 3,488.99 and 1,409.17 is: 1,944.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.17 : 3,488.99 = 1,409.17 : x
  2. Step 2: Convert to fraction form
    2,528.17/3,488.99 = 1,409.17/x
  3. Step 3: Cross multiply
    2,528.17x = 3,488.99 × 1,409.17
  4. Step 4: Simplify right side
    2,528.17x = 4,916,572.99
  5. Step 5: Solve for x
    x = 4,916,572.99/2,528.17
  6. Step 6: Final answer
    x = 1,944.72

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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.