Home / 3,657.02-5,486.27-1,191.17

Finding the Fourth Proportional to 3,657.02, 5,486.27 and 1,191.17

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Solution

The fourth proportional to 3,657.02, 5,486.27 and 1,191.17 is: 1,787.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.02 : 5,486.27 = 1,191.17 : x
  2. Step 2: Convert to fraction form
    3,657.02/5,486.27 = 1,191.17/x
  3. Step 3: Cross multiply
    3,657.02x = 5,486.27 × 1,191.17
  4. Step 4: Simplify right side
    3,657.02x = 6,535,088.00
  5. Step 5: Solve for x
    x = 6,535,088.00/3,657.02
  6. Step 6: Final answer
    x = 1,787.00

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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.