Home / 7,054.48-10,578.61-2,891.08

Finding the Fourth Proportional to 7,054.48, 10,578.61 and 2,891.08

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Solution

The fourth proportional to 7,054.48, 10,578.61 and 2,891.08 is: 4,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.48 : 10,578.61 = 2,891.08 : x
  2. Step 2: Convert to fraction form
    7,054.48/10,578.61 = 2,891.08/x
  3. Step 3: Cross multiply
    7,054.48x = 10,578.61 × 2,891.08
  4. Step 4: Simplify right side
    7,054.48x = 30,583,607.80
  5. Step 5: Solve for x
    x = 30,583,607.80/7,054.48
  6. Step 6: Final answer
    x = 4,335.35

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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.