Home / 5,746.16-7,928.30-3,507.22

Finding the Fourth Proportional to 5,746.16, 7,928.30 and 3,507.22

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Solution

The fourth proportional to 5,746.16, 7,928.30 and 3,507.22 is: 4,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.16 : 7,928.30 = 3,507.22 : x
  2. Step 2: Convert to fraction form
    5,746.16/7,928.30 = 3,507.22/x
  3. Step 3: Cross multiply
    5,746.16x = 7,928.30 × 3,507.22
  4. Step 4: Simplify right side
    5,746.16x = 27,806,246.68
  5. Step 5: Solve for x
    x = 27,806,246.68/5,746.16
  6. Step 6: Final answer
    x = 4,839.10

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Double scale
Find fourth proportional to 5,747.16, 7,929.68 and 3,508.22
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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.