Home / 2,038.02-2,812.44-1,153.86

Finding the Fourth Proportional to 2,038.02, 2,812.44 and 1,153.86

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Solution

The fourth proportional to 2,038.02, 2,812.44 and 1,153.86 is: 1,592.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.02 : 2,812.44 = 1,153.86 : x
  2. Step 2: Convert to fraction form
    2,038.02/2,812.44 = 1,153.86/x
  3. Step 3: Cross multiply
    2,038.02x = 2,812.44 × 1,153.86
  4. Step 4: Simplify right side
    2,038.02x = 3,245,162.02
  5. Step 5: Solve for x
    x = 3,245,162.02/2,038.02
  6. Step 6: Final answer
    x = 1,592.31

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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.