Home / 2,476.13-3,417.19-1,428.26

Finding the Fourth Proportional to 2,476.13, 3,417.19 and 1,428.26

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Solution

The fourth proportional to 2,476.13, 3,417.19 and 1,428.26 is: 1,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.13 : 3,417.19 = 1,428.26 : x
  2. Step 2: Convert to fraction form
    2,476.13/3,417.19 = 1,428.26/x
  3. Step 3: Cross multiply
    2,476.13x = 3,417.19 × 1,428.26
  4. Step 4: Simplify right side
    2,476.13x = 4,880,615.13
  5. Step 5: Solve for x
    x = 4,880,615.13/2,476.13
  6. Step 6: Final answer
    x = 1,971.07

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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.