Home / 1,192.16-1,635.52-1,117.60

Finding the Fourth Proportional to 1,192.16, 1,635.52 and 1,117.60

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Solution

The fourth proportional to 1,192.16, 1,635.52 and 1,117.60 is: 1,533.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.16 : 1,635.52 = 1,117.60 : x
  2. Step 2: Convert to fraction form
    1,192.16/1,635.52 = 1,117.60/x
  3. Step 3: Cross multiply
    1,192.16x = 1,635.52 × 1,117.60
  4. Step 4: Simplify right side
    1,192.16x = 1,827,857.15
  5. Step 5: Solve for x
    x = 1,827,857.15/1,192.16
  6. Step 6: Final answer
    x = 1,533.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.