Home / 5,282.92-7,290.78-2,925.08

Finding the Fourth Proportional to 5,282.92, 7,290.78 and 2,925.08

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Solution

The fourth proportional to 5,282.92, 7,290.78 and 2,925.08 is: 4,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.92 : 7,290.78 = 2,925.08 : x
  2. Step 2: Convert to fraction form
    5,282.92/7,290.78 = 2,925.08/x
  3. Step 3: Cross multiply
    5,282.92x = 7,290.78 × 2,925.08
  4. Step 4: Simplify right side
    5,282.92x = 21,326,094.68
  5. Step 5: Solve for x
    x = 21,326,094.68/5,282.92
  6. Step 6: Final answer
    x = 4,036.80

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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.