Home / 2,038.37-2,812.94-1,154.15

Finding the Fourth Proportional to 2,038.37, 2,812.94 and 1,154.15

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Solution

The fourth proportional to 2,038.37, 2,812.94 and 1,154.15 is: 1,592.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.37 : 2,812.94 = 1,154.15 : x
  2. Step 2: Convert to fraction form
    2,038.37/2,812.94 = 1,154.15/x
  3. Step 3: Cross multiply
    2,038.37x = 2,812.94 × 1,154.15
  4. Step 4: Simplify right side
    2,038.37x = 3,246,534.87
  5. Step 5: Solve for x
    x = 3,246,534.87/2,038.37
  6. Step 6: Final answer
    x = 1,592.72

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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.