Home / 6,578.12-9,078.59-3,746.18

Finding the Fourth Proportional to 6,578.12, 9,078.59 and 3,746.18

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Solution

The fourth proportional to 6,578.12, 9,078.59 and 3,746.18 is: 5,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.12 : 9,078.59 = 3,746.18 : x
  2. Step 2: Convert to fraction form
    6,578.12/9,078.59 = 3,746.18/x
  3. Step 3: Cross multiply
    6,578.12x = 9,078.59 × 3,746.18
  4. Step 4: Simplify right side
    6,578.12x = 34,009,968.16
  5. Step 5: Solve for x
    x = 34,009,968.16/6,578.12
  6. Step 6: Final answer
    x = 5,170.16

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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.