Home / 7,585.71-11,378.51-2,038.58

Finding the Fourth Proportional to 7,585.71, 11,378.51 and 2,038.58

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Solution

The fourth proportional to 7,585.71, 11,378.51 and 2,038.58 is: 3,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.71 : 11,378.51 = 2,038.58 : x
  2. Step 2: Convert to fraction form
    7,585.71/11,378.51 = 2,038.58/x
  3. Step 3: Cross multiply
    7,585.71x = 11,378.51 × 2,038.58
  4. Step 4: Simplify right side
    7,585.71x = 23,196,002.92
  5. Step 5: Solve for x
    x = 23,196,002.92/7,585.71
  6. Step 6: Final answer
    x = 3,057.86

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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.