Home / 1,590.02-2,194.48-960.63

Finding the Fourth Proportional to 1,590.02, 2,194.48 and 960.63

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Solution

The fourth proportional to 1,590.02, 2,194.48 and 960.63 is: 1,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.02 : 2,194.48 = 960.63 : x
  2. Step 2: Convert to fraction form
    1,590.02/2,194.48 = 960.63/x
  3. Step 3: Cross multiply
    1,590.02x = 2,194.48 × 960.63
  4. Step 4: Simplify right side
    1,590.02x = 2,108,079.57
  5. Step 5: Solve for x
    x = 2,108,079.57/1,590.02
  6. Step 6: Final answer
    x = 1,325.82

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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.