Home / 1,852.60-2,555.28-1,105.99

Finding the Fourth Proportional to 1,852.60, 2,555.28 and 1,105.99

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Solution

The fourth proportional to 1,852.60, 2,555.28 and 1,105.99 is: 1,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.60 : 2,555.28 = 1,105.99 : x
  2. Step 2: Convert to fraction form
    1,852.60/2,555.28 = 1,105.99/x
  3. Step 3: Cross multiply
    1,852.60x = 2,555.28 × 1,105.99
  4. Step 4: Simplify right side
    1,852.60x = 2,826,114.13
  5. Step 5: Solve for x
    x = 2,826,114.13/1,852.60
  6. Step 6: Final answer
    x = 1,525.49

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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.