Home / 2,374.46-3,275.61-1,535.90

Finding the Fourth Proportional to 2,374.46, 3,275.61 and 1,535.90

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Solution

The fourth proportional to 2,374.46, 3,275.61 and 1,535.90 is: 2,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.46 : 3,275.61 = 1,535.90 : x
  2. Step 2: Convert to fraction form
    2,374.46/3,275.61 = 1,535.90/x
  3. Step 3: Cross multiply
    2,374.46x = 3,275.61 × 1,535.90
  4. Step 4: Simplify right side
    2,374.46x = 5,030,987.26
  5. Step 5: Solve for x
    x = 5,030,987.26/2,374.46
  6. Step 6: Final answer
    x = 2,118.79

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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.