Home / 2,056.80-2,835.12-1,533.60

Finding the Fourth Proportional to 2,056.80, 2,835.12 and 1,533.60

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Solution

The fourth proportional to 2,056.80, 2,835.12 and 1,533.60 is: 2,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.80 : 2,835.12 = 1,533.60 : x
  2. Step 2: Convert to fraction form
    2,056.80/2,835.12 = 1,533.60/x
  3. Step 3: Cross multiply
    2,056.80x = 2,835.12 × 1,533.60
  4. Step 4: Simplify right side
    2,056.80x = 4,347,940.03
  5. Step 5: Solve for x
    x = 4,347,940.03/2,056.80
  6. Step 6: Final answer
    x = 2,113.93

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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.