Home / 3,528.85-4,870.45-2,036.56

Finding the Fourth Proportional to 3,528.85, 4,870.45 and 2,036.56

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Solution

The fourth proportional to 3,528.85, 4,870.45 and 2,036.56 is: 2,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.85 : 4,870.45 = 2,036.56 : x
  2. Step 2: Convert to fraction form
    3,528.85/4,870.45 = 2,036.56/x
  3. Step 3: Cross multiply
    3,528.85x = 4,870.45 × 2,036.56
  4. Step 4: Simplify right side
    3,528.85x = 9,918,963.65
  5. Step 5: Solve for x
    x = 9,918,963.65/3,528.85
  6. Step 6: Final answer
    x = 2,810.82

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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.