Home / 4,640.13-6,955.92-1,518.21

Finding the Fourth Proportional to 4,640.13, 6,955.92 and 1,518.21

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Solution

The fourth proportional to 4,640.13, 6,955.92 and 1,518.21 is: 2,275.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640.13 : 6,955.92 = 1,518.21 : x
  2. Step 2: Convert to fraction form
    4,640.13/6,955.92 = 1,518.21/x
  3. Step 3: Cross multiply
    4,640.13x = 6,955.92 × 1,518.21
  4. Step 4: Simplify right side
    4,640.13x = 10,560,547.30
  5. Step 5: Solve for x
    x = 10,560,547.30/4,640.13
  6. Step 6: Final answer
    x = 2,275.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.