Home / 2,476.45-3,417.38-1,357.19

Finding the Fourth Proportional to 2,476.45, 3,417.38 and 1,357.19

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Solution

The fourth proportional to 2,476.45, 3,417.38 and 1,357.19 is: 1,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.45 : 3,417.38 = 1,357.19 : x
  2. Step 2: Convert to fraction form
    2,476.45/3,417.38 = 1,357.19/x
  3. Step 3: Cross multiply
    2,476.45x = 3,417.38 × 1,357.19
  4. Step 4: Simplify right side
    2,476.45x = 4,638,027.18
  5. Step 5: Solve for x
    x = 4,638,027.18/2,476.45
  6. Step 6: Final answer
    x = 1,872.85

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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.