Home / 3,688.19-5,533.36-1,091.19

Finding the Fourth Proportional to 3,688.19, 5,533.36 and 1,091.19

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Solution

The fourth proportional to 3,688.19, 5,533.36 and 1,091.19 is: 1,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.19 : 5,533.36 = 1,091.19 : x
  2. Step 2: Convert to fraction form
    3,688.19/5,533.36 = 1,091.19/x
  3. Step 3: Cross multiply
    3,688.19x = 5,533.36 × 1,091.19
  4. Step 4: Simplify right side
    3,688.19x = 6,037,947.10
  5. Step 5: Solve for x
    x = 6,037,947.10/3,688.19
  6. Step 6: Final answer
    x = 1,637.10

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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.