Home / 1,816.34-2,506.95-1,153.07

Finding the Fourth Proportional to 1,816.34, 2,506.95 and 1,153.07

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Solution

The fourth proportional to 1,816.34, 2,506.95 and 1,153.07 is: 1,591.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.34 : 2,506.95 = 1,153.07 : x
  2. Step 2: Convert to fraction form
    1,816.34/2,506.95 = 1,153.07/x
  3. Step 3: Cross multiply
    1,816.34x = 2,506.95 × 1,153.07
  4. Step 4: Simplify right side
    1,816.34x = 2,890,676.30
  5. Step 5: Solve for x
    x = 2,890,676.30/1,816.34
  6. Step 6: Final answer
    x = 1,591.49

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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.