Home / 1,588.30-2,192.48-1,146.79

Finding the Fourth Proportional to 1,588.30, 2,192.48 and 1,146.79

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Solution

The fourth proportional to 1,588.30, 2,192.48 and 1,146.79 is: 1,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.30 : 2,192.48 = 1,146.79 : x
  2. Step 2: Convert to fraction form
    1,588.30/2,192.48 = 1,146.79/x
  3. Step 3: Cross multiply
    1,588.30x = 2,192.48 × 1,146.79
  4. Step 4: Simplify right side
    1,588.30x = 2,514,314.14
  5. Step 5: Solve for x
    x = 2,514,314.14/1,588.30
  6. Step 6: Final answer
    x = 1,583.02

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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.