Home / 1,527.71-2,291.11-834.25

Finding the Fourth Proportional to 1,527.71, 2,291.11 and 834.25

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Solution

The fourth proportional to 1,527.71, 2,291.11 and 834.25 is: 1,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.71 : 2,291.11 = 834.25 : x
  2. Step 2: Convert to fraction form
    1,527.71/2,291.11 = 834.25/x
  3. Step 3: Cross multiply
    1,527.71x = 2,291.11 × 834.25
  4. Step 4: Simplify right side
    1,527.71x = 1,911,358.52
  5. Step 5: Solve for x
    x = 1,911,358.52/1,527.71
  6. Step 6: Final answer
    x = 1,251.13

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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.