Home / 3,090.18-4,262.93-1,894.17

Finding the Fourth Proportional to 3,090.18, 4,262.93 and 1,894.17

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Solution

The fourth proportional to 3,090.18, 4,262.93 and 1,894.17 is: 2,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.18 : 4,262.93 = 1,894.17 : x
  2. Step 2: Convert to fraction form
    3,090.18/4,262.93 = 1,894.17/x
  3. Step 3: Cross multiply
    3,090.18x = 4,262.93 × 1,894.17
  4. Step 4: Simplify right side
    3,090.18x = 8,074,703.76
  5. Step 5: Solve for x
    x = 8,074,703.76/3,090.18
  6. Step 6: Final answer
    x = 2,613.02

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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.