Home / 3,903.23-5,855.88-1,130.13

Finding the Fourth Proportional to 3,903.23, 5,855.88 and 1,130.13

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Solution

The fourth proportional to 3,903.23, 5,855.88 and 1,130.13 is: 1,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.23 : 5,855.88 = 1,130.13 : x
  2. Step 2: Convert to fraction form
    3,903.23/5,855.88 = 1,130.13/x
  3. Step 3: Cross multiply
    3,903.23x = 5,855.88 × 1,130.13
  4. Step 4: Simplify right side
    3,903.23x = 6,617,905.66
  5. Step 5: Solve for x
    x = 6,617,905.66/3,903.23
  6. Step 6: Final answer
    x = 1,695.49

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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.